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Books > Science & Mathematics > Science: general issues > Popular science

The Planet Factory - Exoplanets and the Search for a Second Earth (Paperback): Elizabeth Tasker The Planet Factory - Exoplanets and the Search for a Second Earth (Paperback)
Elizabeth Tasker 1
R372 R303 Discovery Miles 3 030 Save R69 (19%) Ships in 9 - 15 working days

Twenty years ago, the search for planets outside the Solar System was a job restricted to science-fiction writers. Now it's one of the fastest-growing fields in astronomy with thousands of exoplanets discovered to date, and the number is rising fast.

These new-found worlds are more alien than anything in fiction. Planets larger than Jupiter with years lasting a week; others with two suns lighting their skies, or with no sun at all. Planets with diamond mantles supporting oceans of tar; possible Earth-sized worlds with split hemispheres of perpetual day and night; waterworlds drowning under global oceans and volcanic lava planets awash with seas of magma. The discovery of this diversity is just the beginning. There is a whole galaxy of possibilities.

The Planet Factory tells the story of these exoplanets. Each planetary system is different, but in the beginning most if not all young stars are circled by clouds of dust, specks that come together in a violent building project that can form colossal worlds hundreds of times the size of the Earth. The changing orbits of young planets risk dooming any life evolving on neighbouring worlds or, alternatively, can deliver the key ingredients needed to seed its beginnings. Planet formation is one of the greatest construction schemes in the Universe, and it occurred around nearly every star you see. Each results in an alien landscape, but is it possible that one of these could be like our own home world?

The Romance of Science: Essays in Honour of Trevor H. Levere (Hardcover, 1st ed. 2017): Jed Buchwald, Larry Stewart The Romance of Science: Essays in Honour of Trevor H. Levere (Hardcover, 1st ed. 2017)
Jed Buchwald, Larry Stewart
R4,650 Discovery Miles 46 500 Ships in 10 - 15 working days

The Romance of Science pays tribute to the wide-ranging and highly influential work of Trevor Levere, historian of science and author of Poetry Realised in Nature, Transforming Matter, Science and the Canadian Arctic, Affinity and Matter and other significant inquiries in the history of modern science. Expanding on Levere's many themes and interests, The Romance of Science assembles historians of science -- all influenced by Levere's work -- to explore such matters as the place and space of instruments in science, the role and meaning of science museums, poetry in nature, chemical warfare and warfare in nature, science in Canada and the Arctic, Romanticism, aesthetics and morals in natural philosophy, and the "dismal science" of economics. The Romance of Science explores the interactions between science's romantic, material, institutional and economic engagements with Nature.

The Nature of the Machine and the Collapse of Cybernetics - A Transhumanist Lesson for Emerging Technologies (Hardcover, 1st... The Nature of the Machine and the Collapse of Cybernetics - A Transhumanist Lesson for Emerging Technologies (Hardcover, 1st ed. 2017)
Alcibiades Malapi-Nelson
R3,668 Discovery Miles 36 680 Ships in 10 - 15 working days

This book is a philosophical exploration of the theoretical causes behind the collapse of classical cybernetics, as well as the lesson that this episode can provide to current emergent technologies. Alcibiades Malapi-Nelson advances the idea that the cybernetic understanding of the nature of a machine entails ontological and epistemological consequences that created both material and theoretical conundrums. However, he proposes that given our current state of materials research, scientific practices, and research tools, there might be a way for cybernetics to flourish this time. The book starts with a historical and theoretical articulation of cybernetics in order to proceed with a philosophical explanation of its collapse-emphasizing the work of Alan Turing, Ross Ashby and John von Neumann. Subsequently, Malapi-Nelson unveils the common metaphysical signature shared between cybernetics and emergent technologies, identifying this signature as transhumanist in nature. Finally, avenues of research that may allow these disruptive technologies to circumvent the cybernetic fate are indicated. It is proposed that emerging technologies ultimately entail an affirmation of humanity.

Mirror Thinking - How Role Models Make Us Human (Hardcover): Fiona Murden Mirror Thinking - How Role Models Make Us Human (Hardcover)
Fiona Murden
R537 R440 Discovery Miles 4 400 Save R97 (18%) Ships in 9 - 15 working days

Parents, friends, teachers, relatives, and even work colleagues - from the people close to us to those we never even meet - other people are constantly shaping who we are. The mirror neuron is a part of the brain that has shaped each and every one of us throughout our lifetimes. It is the very essence of what makes us human, but most of us have never even heard of it. Mirror Thinking explores how the mirror neuron has defined us through the role models we observe and interact with. All of the learning we take from our world is down to our brain's mirror system, but it doesn't stop there. This incredible system is also responsible for our emotional connections with others, how we pass on learning between the generations through stories, and how we imagine and innovate within our own minds. In Mirror Thinking, psychologist and award-winning author Fiona Murden looks at the mirrors that have shaped our lives: parents, friends, teachers, relatives, and even work colleagues. From the people close to us to those we never even meet - other people are constantly shaping who we are. By having a better understanding of this system we are able to take conscious control of it, encouraging us to have a more positive impact on the world around us and on society as a whole.

Science - The Definitive Visual Guide (Hardcover): Dk Science - The Definitive Visual Guide (Hardcover)
Dk; Edited by (editors-in-chief) Adam Hart-Davis
R1,238 R1,015 Discovery Miles 10 150 Save R223 (18%) Ships in 9 - 15 working days

Explore the science innovations as you have never seen them with this visual guide. From the humble beginnings of science, right through to today's information age - go on a journey through the history of science through its people, inventions, and discoveries. This updated 3rd edition explores astronomy, biology, geology, mathematics, and more in stunning visual detail. Inside the pages of Science: The Definitive Visual History, you'll find: - The most recent scientific discoveries across a variety of fields, from astronomy to genetics - Scientific concepts explained using clear, instantly understandable text combined with informative diagrams and CGIs - Feature spreads that illuminate the breakthroughs that changed the world - "Before" and "After" panels allow the reader to follow a particular theme throughout the book This fully comprehensive visual guide delves into the groundbreaking moments in science that changed the world. Explore the experiments, theories, and individuals and why each is so significant to developing scientific thought from Greek geometry to quantum physics. This science book also includes great scientists such as Zhang Heng, Isaac Newton, and Marie Curie and gives you more information about the people behind each discovery. Updated to include the latest scientific developments, from recent advances in genetic engineering to the detection of gravitational waves 100 years after Einstein predicted their existence, Science is the ultimate gift for any science or history enthusiasts!

Junk DNA - A Journey Through the Dark Matter of the Genome (Paperback): Nessa Carey Junk DNA - A Journey Through the Dark Matter of the Genome (Paperback)
Nessa Carey
R683 R584 Discovery Miles 5 840 Save R99 (14%) Ships in 10 - 15 working days

For decades after the identification of the structure of DNA, scientists focused only on genes, the regions of the genome that contain codes for the production of proteins. Other regions that make up 98 percent of the human genome were dismissed as "junk," sequences that serve no purpose. But researchers have recently discovered variations and modulations in this junk DNA that are involved with a number of intractable diseases. Our increasing knowledge of junk DNA has led to innovative research and treatment approaches that may finally ameliorate some of these conditions. Junk DNA can play vital and unanticipated roles in the control of gene expression, from fine-tuning individual genes to switching off entire chromosomes. These functions have forced scientists to revisit the very meaning of the word "gene" and have engendered a spirited scientific battle over whether or not this genomic "nonsense" is the source of human biological complexity. Drawing on her experience with leading scientific investigators in Europe and North America, Nessa Carey provides a clear and compelling introduction to junk DNA and its critical involvement in phenomena as diverse as genetic diseases, viral infections, sex determination in mammals, and evolution. We are only now unlocking the secrets of junk DNA, and Nessa Carey's book is an essential resource for navigating the history and controversies of this fast-growing, hotly disputed field.

Human Body - Understanding Anatomy (Paperback): Jane De Burgh Human Body - Understanding Anatomy (Paperback)
Jane De Burgh
R337 R260 Discovery Miles 2 600 Save R77 (23%) Ships in 12 - 17 working days

Do you know your fibia from your tibia? How does the endocrine system work? Why does the body produce saliva? You may be able to vent your spleen, but what does it actually do? In the Human Body, discover what humans are made of and how the body works. In this fascinating and comprehensive guide to human anatomy, everything you will ever need to know about the workings of your body is presented in full colour detail. The book is structured from the head to the toe, and is broken down into nine sections: head, neck, thorax, upper limbs, abdomen, reproductive system, pelvis, lower limbs and whole body systems. Each section includes detailed and easy-to-understand colour artworks with extensive annotations on the various bones, muscles, internal organs, blood vessels and nerves, allowing you to quickly build up a complete picture of a specific area of the body.

Understanding the Bigger Energy Picture - DESERTEC and Beyond (Paperback, 1st ed. 2017): Michael Duren Understanding the Bigger Energy Picture - DESERTEC and Beyond (Paperback, 1st ed. 2017)
Michael Duren
R1,133 Discovery Miles 11 330 Ships in 10 - 15 working days

This book is open access under a CC BY 4.0 license. This book focuses on the global cycles of energy, water and carbon, which are not only the essentials of our main energy carriers, the fossil fuels, but are also the building blocks of life. The book offers an overview of the basic scientific facts and relationships that are needed to understand today's energy generation and use, how they relate to global climate, the water cycle and other resources, and the complexities of energy policy. Building on the work of the Desertec project, it presents the main technological options that we will have in a world after the "Energiewende" and presents the possible future solutions for a sustainable world. The book is written in an engaging, descriptive style that can be understood by those without specific knowledge of science or economics and allows readers to form their own conclusions. Controversy rages over energy problems, climate change and their possible solutions. Expressions like "climate deniers", "renaissance of nuclear energy", "stop the war on coal", and "Energiewende now" represent a diversity of opinions that divide our society and political leaders. This book shows the reader the whole energy picture and how it is part of the wider global problems of overpopulation and uncontrolled economies in a world of limited resources.

Transports of Delight - How Technology Materializes Human Imagination (Hardcover, 1st ed. 2017): Peter Hancock Transports of Delight - How Technology Materializes Human Imagination (Hardcover, 1st ed. 2017)
Peter Hancock
R2,166 R1,929 Discovery Miles 19 290 Save R237 (11%) Ships in 10 - 15 working days

This inspiring book shows how the spiritual side of life, with its thoughts, feelings, and aspirations, is intimately bound up with our material technologies. From the wonder of Gothic Cathedrals, to the quiet majesty of lighter than air flight, to the ultimate in luxury of the north Atlantic steamers, Peter Hancock explores how these sequential heights of technology have enabled our dreams of being transported to new and uncharted realms to become reality. Sometimes literally, sometimes figuratively, technology has always been there to make material the visions of our imagination. This book shows how this has essentially been true for all technologies from Stonehenge to space station.But technology is far from perfect. Indeed, the author argues here that some of the most public and tragic of its failures still remain instructive, emblematic, and even inspiring. He reports on examples such as a Cathedral of the Earth (Beauvais), a Cathedral of the Seas (Titanic), and a Cathedral of the Air (Hindenburg) and tells their stories from the viewpoint of material transcendence. By interweaving their stories he reveals how technologies can succeed in elevating human beings and, in taking them to whole new realms of being, he explores and explains why these experiences are 'Transports of Delight.'

Confabulation Theory - The Mechanism of Thought (Paperback, Softcover reprint of the original 1st ed. 2007): Robert... Confabulation Theory - The Mechanism of Thought (Paperback, Softcover reprint of the original 1st ed. 2007)
Robert Hecht-Nielsen
R2,949 Discovery Miles 29 490 Ships in 10 - 15 working days

This book offers the first detailed, comprehensible scientific presentation of Confabulation Theory, addressing a pressing scientific question: How does brain information processing, or cognition, work? With only elementary mathematics as a prerequisite, this book will prove accessible to technologists, scientists, and the educated public.

Animals, Work, and the Promise of Interspecies Solidarity (Paperback, 1st ed. 2016): Kendra Coulter Animals, Work, and the Promise of Interspecies Solidarity (Paperback, 1st ed. 2016)
Kendra Coulter
R2,294 Discovery Miles 22 940 Ships in 10 - 15 working days

In this thought-provoking and innovative book, Kendra Coulter examines the diversity of work done with, by, and for animals. Interweaving human-animal studies, labor theories and research, and feminist political economy, Coulter develops a unique analysis of the accomplishments, complexities, problems, and possibilities of multispecies and interspecies labor. She fosters a nuanced, multi-faceted approach to labor that takes human and animal well-being seriously, and that challenges readers to not only think deeply and differently about animals and work, but to reflect on the potential for interspecies solidarity. The result is an engaging, expansive, and path-making text.

The Ultimate Quotable Einstein (Hardcover): Albert Einstein The Ultimate Quotable Einstein (Hardcover)
Albert Einstein; Edited by Alice Calaprice; Foreword by Freeman Dyson
R693 R550 Discovery Miles 5 500 Save R143 (21%) Ships in 12 - 17 working days

Here is the definitive new edition of the hugely popular collection of Einstein quotations that has sold tens of thousands of copies worldwide and been translated into twenty-five languages.

"The Ultimate Quotable Einstein" features 400 additional quotes, bringing the total to roughly 1,600 in all. This ultimate edition includes new sections--"On and to Children," "On Race and Prejudice," and "Einstein's Verses: A Small Selection"--as well as a chronology of Einstein's life and accomplishments, Freeman Dyson's authoritative foreword, and new commentary by Alice Calaprice.

In "The Ultimate Quotable Einstein," readers will also find quotes by others about Einstein along with quotes attributed to him. Every quotation in this informative and entertaining collection is fully documented, and Calaprice has carefully selected new photographs and cartoons to introduce each section.Features 400 additional quotationsContains roughly 1,600 quotations in allIncludes new sections on children, race and prejudice, and Einstein's poetryProvides new commentaryBeautifully illustratedThe most comprehensive collection of Einstein quotes ever published

Humanology - A Scientist's Guide to our Amazing Existence (Hardcover): Luke O'Neill Humanology - A Scientist's Guide to our Amazing Existence (Hardcover)
Luke O'Neill 1
R904 R739 Discovery Miles 7 390 Save R165 (18%) Ships in 9 - 15 working days

Taking us on an incredible journey across centuries and galaxies, accompanied by his characteristic wit, Professor Luke O'Neill explains how it all began, how it all will end and everything in between. Readers will benefit from Luke's insatiable curiosity for life when they dive into this ultimate journey through life and death. Among many fascinating facts, you'll discover the science behind how we got to be so smart, why sex with a caveman was a good idea, the science of finding love, why we follow religions, and how robots will become part of everyday life. Humanology is a humbling reminder that we're just a small speck in a big universe - so sit back and embrace the adventure. 'A man who can explain 4.2 billion years of life on Earth and make me laugh at the same time - sheer genius.' Pat Kenny, Newstalk

Silica Stories (Hardcover, 1st ed. 2017): Christina De La Rocha, Daniel J. Conley Silica Stories (Hardcover, 1st ed. 2017)
Christina De La Rocha, Daniel J. Conley
R2,133 R1,863 Discovery Miles 18 630 Save R270 (13%) Ships in 10 - 15 working days

Do you know silica, the tetrahedra of silicon and oxygen constituting the crystals of New Agers and the desiccant in a box of new shoes? It's no mere mundane mineral. As chemically reacting silicate rocks, silica set off the chain of events known as the origin of life. As biomineralized opal, it is the cell wall, skeleton, spicules, and scales of organisms ornamenting numerous lobes of the tree of life. Cryptocrystalline silica made into stone tools helped drive the evolution of our hands and our capability for complex grammar, music, and mathematics. As quartz crystals, silica is impressively electric and ubiquitous in modern technology (think sonar, radios, telephones, ultrasound, and cheap but precise watches). Silica is inescapable when we take a drink or mow the lawn and it has already started to save the Earth from the carbon dioxide we're spewing into the atmosphere. This book tells these scientific tales and more, to give dear, modest silica its due.

Smellosophy - What the Nose Tells the Mind (Hardcover): A. S. Barwich Smellosophy - What the Nose Tells the Mind (Hardcover)
A. S. Barwich
R846 Discovery Miles 8 460 Ships in 12 - 17 working days

A pioneering exploration of olfaction that upsets settled notions of how the brain translates sensory information. Decades of cognition research have shown that external stimuli "spark" neural patterns in particular regions of the brain. This has fostered a view of the brain as a space that we can map: here the brain responds to faces, there it perceives a sensation in your left hand. But it turns out that the sense of smell-only recently attracting broader attention in neuroscience-doesn't work this way. A. S. Barwich asks a deceptively simple question: What does the nose tell the brain, and how does the brain understand it? Barwich interviews experts in neuroscience, psychology, chemistry, and perfumery in an effort to understand the biological mechanics and myriad meanings of odors. She argues that it is time to stop recycling ideas based on the paradigm of vision for the olfactory system. Scents are often fickle and boundless in comparison with visual images, and they do not line up with well-defined neural regions. Although olfaction remains a puzzle, Barwich proposes that what we know suggests the brain acts not only like a map but also as a measuring device, one that senses and processes simple and complex odors. Accounting for the sense of smell upsets theories of perception philosophers have developed. In their place, Smellosophy articulates a new model for understanding how the brain represents sensory information.

Wild Weather - The Myths, Science and Wonder of Weather (Hardcover): Alison Davies Wild Weather - The Myths, Science and Wonder of Weather (Hardcover)
Alison Davies
R382 R313 Discovery Miles 3 130 Save R69 (18%) Ships in 9 - 15 working days

Wild Weather is a fun, easy-to-read guide to understanding the wonders of weather - from why it rains to cloud formations, from extreme weather events to the benefits of sunlight. Wild Weather is a beautifully illustrated book that explores the science of weather events and how they happen, but also the myth and folklore associated with weather patterns. Chapters include: sunshine and rainbows, wind, rain, thunder and lightning, snow and ice. The book also includes a cloud spotting guide and is packed with exercises on how to make the most of even the rainiest of days. This perfect gift for weather enthusiast everywhere and those who want to reconnect with the weather and embrace what is happening on the other side of the window.

The God Equation - The Quest for a Theory of Everything (Hardcover): Michio Kaku The God Equation - The Quest for a Theory of Everything (Hardcover)
Michio Kaku
R405 R324 Discovery Miles 3 240 Save R81 (20%) Ships in 5 - 10 working days

'A majestic story' David Bodanis, Financial Times From the international bestselling author of Physics of the Impossible and Physics of the Future This is the story of a quest: to find a Theory of Everything. Einstein dedicated his life to seeking this elusive Holy Grail, a single, revolutionary 'god equation' which would tie all the forces in the universe together, yet never found it. Some of the greatest minds in physics took up the search, from Stephen Hawking to Brian Greene. None have yet succeeded. In The God Equation, renowned theoretical physicist Michio Kaku takes the reader on a mind-bending ride through the twists and turns of this epic journey: a mystery that has fascinated him for most of his life. He guides us through the key debates in modern physics, from Newton's law of gravity via relativity and quantum mechanics to the latest developments in string theory. It is a tale of dazzling breakthroughs and crushing dead ends, illuminated by Kaku's clarity, storytelling flair and infectious enthusiasm. The object of the quest is now within sight: we are closer than ever to achieving the most ambitious undertaking in the history of science. If successful, the Theory of Everything could simultaneously unlock the deepest mysteries of space and time, and fulfil that most ancient and basic of human desires - to understand the meaning of our lives.

A History of Delusions - The Glass King, a Substitute Husband and a Walking Corpse (Hardcover): Victoria Shepherd A History of Delusions - The Glass King, a Substitute Husband and a Walking Corpse (Hardcover)
Victoria Shepherd
R535 R438 Discovery Miles 4 380 Save R97 (18%) Ships in 9 - 15 working days

'Fascinating and compassionate' Horatio Clare The King of France - thinking he was made of glass - was terrified he might shatter...and he wasn't alone. After the Emperor met his end at Waterloo, an epidemic of Napoleons piled into France's asylums. Throughout the nineteenth century, dozens of middle-aged women tried to convince their physicians that they were, in fact, dead. For centuries we've dismissed delusions as something for doctors to sort out behind locked doors. But delusions are more than just bizarre quirks - they hold the key to collective anxieties and traumas. In this groundbreaking history, Victoria Shepherd uncovers stories of delusions from medieval times to the present day and implores us to identify reason in apparent madness.

Beasts Before Us - The Untold Story of Mammal Origins and Evolution (Paperback): Elsa Panciroli Beasts Before Us - The Untold Story of Mammal Origins and Evolution (Paperback)
Elsa Panciroli
R342 Discovery Miles 3 420 Ships in 12 - 17 working days

For most of us, the story of mammal evolution starts after the asteroid impact that killed the dinosaurs, but over the last 20 years scientists have uncovered remarkable fossils and new technologies that have upended this story. In Beasts Before Us, palaeontologist Elsa Panciroli charts the emergence of the mammal lineage, the Synapsida, beginning with their murky split from the reptiles in the Carboniferous period, more than three-hundred million years ago; these animals made the world theirs long before the rise of dinosaurs. Travelling forward into the Permian and then Triassic periods, we learn how our ancient mammal ancestors evolved from large, hairy beasts with fast metabolisms to exploit miniaturisation, the key to unlocking the traits that define mammals as we now know them. Elsa criss-crosses the globe to explore the sites where discoveries are being made and to meet the people who make them. In Scotland, she traverses the desert dunes of prehistoric Moray, where quarry workers unearthed the footprints of Permian synapsids; in South Africa, she introduces us to animals that gave scientists the first hints that our furry kin evolved from a lineage of egg-laying burrowers; and in China, new and astounding fossil finds reveal a suite of ancient mammals including gliders, shovel-pawed moles, and flat-tailed swimmers. This brilliantly written book radically reframes the narrative of our mammalian ancestors, providing a counterpoint to the stereotype of cowering Mesozoic mammals hiding away from their mighty dinosaur overlords. The earliest mammals weren't just precursors - they were pioneers.

Episodes in the Mathematics of Medieval Islam (Paperback, 2nd ed. 2016): JL Berggren Episodes in the Mathematics of Medieval Islam (Paperback, 2nd ed. 2016)
JL Berggren
R3,477 Discovery Miles 34 770 Ships in 10 - 15 working days

This book presents an account of selected topics from key mathematical works of medieval Islam, based on the Arabic texts themselves. Many of these works had a great influence on mathematics in Western Europe. Topics covered in the first edition include arithmetic, algebra, geometry, trigonometry, and numerical approximation; this second edition adds number theory and combinatorics. Additionally, the author has included selections from the western regions of medieval Islam-both North Africa and Spain. The author puts the works into their historical context and includes numerous examples of how mathematics interacted with Islamic society.

The Epigenetics Revolution - How Modern Biology is Rewriting our Understanding of Genetics, Disease and Inheritance... The Epigenetics Revolution - How Modern Biology is Rewriting our Understanding of Genetics, Disease and Inheritance (Paperback)
Nessa Carey 1
R364 R170 Discovery Miles 1 700 Save R194 (53%) Ships in 12 - 17 working days

'A book that would have had Darwin swooning - anyone seriously interested in who we are and how we function should read this.' Guardian At the beginning of this century enormous progress had been made in genetics. The Human Genome Project finished sequencing human DNA. It seemed it was only a matter of time until we had all the answers to the secrets of life on this planet. The cutting-edge of biology, however, is telling us that we still don't even know all of the questions. How is it that, despite each cell in your body carrying exactly the same DNA, you don't have teeth growing out of your eyeballs or toenails on your liver? How is it that identical twins share exactly the same DNA and yet can exhibit dramatic differences in the way that they live and grow? It turns out that cells read the genetic code in DNA more like a script to be interpreted than a mould that replicates the same result each time. This is epigenetics and it's the fastest-moving field in biology today. The Epigenetics Revolution traces the thrilling path this discipline has taken over the last twenty years. Biologist Nessa Carey deftly explains such diverse phenomena as how queen bees and ants control their colonies, why tortoiseshell cats are always female, why some plants need a period of cold before they can flower, why we age, develop disease and become addicted to drugs, and much more. Most excitingly, Carey reveals the amazing possibilities for humankind that epigenetics offers for us all - and in the surprisingly near future.

Borrowed Time - The Science of How and Why We Age (Hardcover): Sue Armstrong Borrowed Time - The Science of How and Why We Age (Hardcover)
Sue Armstrong 1
R515 Discovery Miles 5 150 Ships in 9 - 15 working days

As featured on BBC Radio 4's Start the Week 'A rich, timely study for the era of "global ageing"' Nature The ageing of the world population is one of the most important issues facing humanity in the 21st century - up there with climate change in its potential global impact. Sometime before 2020, the number of people over 65 worldwide will, for the first time, be greater than the number of 0-4 year olds, and it will keep on rising. The strains this is causing on society are already evident as health and social services everywhere struggle to cope with the care needs of the elderly. But why and how do we age? Scientists have been asking this question for centuries, yet there is still no agreement. There are a myriad competing theories, from the idea that our bodies simply wear out with the rough and tumble of living, like well-worn shoes or a rusting car, to the belief that ageing and death are genetically programmed and controlled. In Borrowed Time, Sue Armstrong tells the story of science's quest to understand ageing and to prevent or delay the crippling conditions so often associated with old age. She focusses inward - on what is going on in our bodies at the most basic level of the cells and genes as the years pass - to look for answers to why and how our skin wrinkles with age, our wounds take much longer to heal than they did when we were kids, and why words escape us at crucial moments in conversation.This book explores these questions and many others through interviews with key scientists in the field of gerontology and with people who have interesting and important stories to tell about their personal experiences of ageing.

The Perfect Shape - Spiral Stories (Hardcover, 1st ed. 2016): Oyvind Hammer The Perfect Shape - Spiral Stories (Hardcover, 1st ed. 2016)
Oyvind Hammer
R2,191 R1,954 Discovery Miles 19 540 Save R237 (11%) Ships in 10 - 15 working days

This book uses the spiral shape as a key to a multitude of strange and seemingly disparate stories about art, nature, science, mathematics, and the human endeavour. In a way, the book is itself organized as a spiral, with almost disconnected chapters circling around and closing in on the common theme. A particular strength of the book is its extremely cross-disciplinary nature - everything is fun, and everything is connected! At the same time, the author puts great emphasis on mathematical and scientific correctness, in contrast, perhaps, with some earlier books on spirals. Subjects include the mathematical properties of spirals, sea shells, sun flowers, Greek architecture, air ships, the history of mathematics, spiral galaxies, the anatomy of the human hand, the art of prehistoric Europe, Alfred Hitchcock, and spider webs, to name a few.

Curves for the Mathematically Curious - An Anthology of the Unpredictable, Historical, Beautiful, and Romantic (Hardcover):... Curves for the Mathematically Curious - An Anthology of the Unpredictable, Historical, Beautiful, and Romantic (Hardcover)
Julian Havil
R671 Discovery Miles 6 710 Ships in 12 - 17 working days

Ten amazing curves personally selected by one of today's most important math writers Curves for the Mathematically Curious is a thoughtfully curated collection of ten mathematical curves, selected by Julian Havil for their significance, mathematical interest, and beauty. Each chapter gives an account of the history and definition of one curve, providing a glimpse into the elegant and often surprising mathematics involved in its creation and evolution. In telling the ten stories, Havil introduces many mathematicians and other innovators, some whose fame has withstood the passing of years and others who have slipped into comparative obscurity. You will meet Pierre Bezier, who is known for his ubiquitous and eponymous curves, and Adolphe Quetelet, who trumpeted the ubiquity of the normal curve but whose name now hides behind the modern body mass index. These and other ingenious thinkers engaged with the challenges, incongruities, and insights to be found in these remarkable curves-and now you can share in this adventure. Curves for the Mathematically Curious is a rigorous and enriching mathematical experience for anyone interested in curves, and the book is designed so that readers who choose can follow the details with pencil and paper. Every curve has a story worth telling.

The Chemistry of Plants - Perfumes, Pigments and Poisons (Paperback, 2nd New edition): Margareta Sequin The Chemistry of Plants - Perfumes, Pigments and Poisons (Paperback, 2nd New edition)
Margareta Sequin
R967 Discovery Miles 9 670 Ships in 9 - 15 working days

Why are some plants so important to humans? The chemistry of the plants has a lot to do with it! The plant world offers a fascinating way to explore basic chemistry concepts. The spectacular variety of colors, fragrances and other characteristics of plants are driven by the seemingly subtle differences in the structure and properties of organic compounds. Well-known flowers, like daffodils and narcissus, are examples of plants that provide ample perfumes, pigments and poisons as part of their intricate and fascinating chemistry. This second edition retains it accessibility, expanding on the first edition and combining scientific concepts with colorful pictures and stories in simple, clear language. Readers will find introductory information on some chemistry and plant biology. This prepares them for the more complex chemical structures that compose plant substances, many of them of vital importance to humans. The final chapter has been expanded, in particular the sections on medicinal plants and on genetic modification. The end-of chapter references have been thoroughly updated with articles, books, and relevant websites that illustrate the topics discussed. Dr Margareta Sequin, an organic chemist and plant enthusiast, has taught popular undergraduate college level courses on plant chemistry to non-chemistry majors and has led numerous field seminars for the general public. The comments and questions from these audiences and the topics that especially captured people's interest have greatly shaped this book. The Chemistry of Plants addresses an audience with little previous chemistry knowledge, but will appeal to the expert reader looking for an understanding of more complex plant compounds. It can be used both as a text to introduce organic chemistry as it relates to plants and as a text of reference for more advanced readers.

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