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UNIT 1 What Is Life Made Of? Chemistry, Cells, Energy
Process of Science
Making sense of the latest buzz in health-related news
Chemistry of Life
Mission to Mars
Prospecting for life on the red planet
Cell Structure and Function
How a chance discovery in a London laboratory revolutionized medicine
M1 Milestones in Biology
Lynn Margulis and the theory of endosymbiosis
Nutrition, Enzymes, Metabolism
The Peanut Butter Project
One doctor’s crusade to end malnutrition in Africa, one spoonful at a time
Energy and Photosynthesis
The Future of Fuel?
Scientists seek to make algae into the next alternative energy source
Dietary Energy and Cellular Respiration
New Story! The Sitting Disease
Understanding the causes and consequences of obesity
UNIT 2 How Does Life Reproduce? Cell Division and Inheritance
DNA Structure and Replication
How DNA helped free an innocent man
M2 Milestones in Biology
The Model Makers
Watson, Crick, and the structure of DNA
Genes to Proteins
New Story! Bulletproof
Scientists hope to spin spider silk into the next indestructible super-fiber
M3 Milestones in Biology
Venter and Collins race to decode the human genome
Cell Cycle and Cell Differentiation
Grow Your Own
Is regenerative medicine the solution to organ transplantation?
Mutations and Cancer
When cancer runs in the family, ordinary measures are not enough
Simple Inheritance and Meiosis
One woman’s mission to outrun a genetic disease
M4 Milestones in Biology
An Austrian monk lays the foundation for modern genetics
Complexities of human genetics, from sex to depression
UNIT 3 How Does Life Change over Time? Evolution and Diversity
Natural Selection and Adaptation
Bugs that Resist Drugs
Drug-resistant bacteria are on the rise. Can we stop them?
M5 Milestones in Biology
Adventures in Evolution
Charles Darwin and Alfred Russel Wallace on the trail of natural selection
Nonadaptive Evolution and Speciation
How cities are altering the fate of species
Evidence for Evolution
A Fish With Fingers?
A transitional fossil fills a gap in our knowledge of evolution
Life on Earth
From moon rocks to DNA, clues to the history of life on Earth
Exploring life’s origins at the bottom of the sea
New Story! Can Rubber Save the Rainforest?
A small state in Brazil aims to find out.
M6 Milestones in Biology
New! Shaking the Tree
A revised view of eukaryotic diversity may be the key to tackling deadly diseases
Science redefines the meaning of racial categories
UNIT 4 How Do Organisms Interact? Ecology
On the Tracks of Wolves and Moose
Ecologists learn big lessons from a small island
What’s Happening to Honey Bees?
A mysterious ailment threatens a vital link in the food chain
The Heat Is On
From migrating maples to shrinking sea ice, signs of a warming planet
M7 Milestones in Biology
Progress or Poison?
Rachel Carson, pesticides, and the birth of the environmental movement
The Makings of a Green City
One Kansas town reinvents itself sustainable
Unit 5 What Makes Plants Unique? Plant Biology
Plant coverage now in two chapters
Plant Growth and Reproduction
New Story! Plants 2.0
Is genetic engineering the solution to world hunger?
Exploding seeds, carnivorous flowers, and other colorful adaptations of the plant world
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