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This book reveals the fascinating history of GPS, from when it was
first invented to the latest innovations, as well as the changes it
has created in people's lives. The book also includes a table of
contents, fun facts, a That's Amazing special feature, quiz
questions, a glossary, additional resources, and an index. This
Focus Readers title is at the Beacon level, aligned to reading
levels of grades 2-3 and interest levels of grades 3-5.
This book reveals the fascinating history of GPS, from when it was
first invented to the latest innovations, as well as the changes it
has created in people's lives. The book also includes a table of
contents, fun facts, a That's Amazing special feature, quiz
questions, a glossary, additional resources, and an index. This
Focus Readers title is at the Beacon level, aligned to reading
levels of grades 2-3 and interest levels of grades 3-5.
In the 19th century, a monk named Gregor Mendel studied how
different types of pea plants passed their characteristics to the
next generation. His studies in heredity led to science's current
understanding of genetic inheritance and how traits are passed down
from parents to children. In ""Heredity"", travel through the
history of genetics from the early ideas of heredity to Watson and
Crick's discovery of the structure of DNA to the future of genetic
research. Through these discoveries, scientists can now decipher
the 'code of life', see how cells divide, and study how certain
traits are passed from parent to child. Experiments with heredity
have also created promising results for tests for genetic
disorders, the Human Genome Project, cloning, and future cures for
many common diseases like heart disease and cancer.
Fireworks light up the summer night sky with their colorful
displays, forensic experts use DNA to help solve crimes, and
deep-sea creatures illuminate the depths of the ocean in search of
their next meal. All these things happen because of chemical
reactions, but what exactly is a chemical reaction? Filled with
intriguing full-color photographs, insightful sidebars, and other
essential features, this insightful new book helps students fully
understand how chemical reactions happen - covering atomic
structure, chemical bonding, reaction rates, and more.
Since cells are the smallest of all living organisms, scientists
have had to develop various methods and tools to examine and
research them. In the 17th century, the microscope was invented,
allowing researchers a glimpse at the cell. Today, supercomputers
put cells and experiments to the test. In microbiology laboratories
and cancer research centers, well-trained, dedicated scientists
work to explore the science of cells, making biotechnology a
continuously growing field. In How Scientists Research Cells, learn
how the first discovery of cells led to the first cloned mammal and
additional scientific advancements.
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