UNIT 1: What Is Life Made of? Chemistry, Cells, Energy
1. Process of Science
Java Report: Making sense of the latest buzz in health-related news
2. Chemistry and Molecules of Life
What Is Life? Evidence from space heats up an age-old debate
3. Cell Function and Structure
Wonder Drug: How a chance discovery in a London laboratory revolutionized medicine
4. Nutrition, Metabolism, Enzymes
Powerfoods: Foods fit to fight chronic disease
5. Energy Flow and Photosynthesis
Mighty Microbes: Can scientists make algae into the next global fuel source?
6. Dietary Energy and Cellular Respiration
Supersize Me? Changing our culture of eating
UNIT 2: How Does Life Perpetuate? Cell Division and Inheritance
7. DNA Structure and Replication
Biologically Unique: How DNA helped free an innocent man
Milestones in Biology The Model Makers
Watson, Crick, and the structure of DNA
8. Genes to Proteins
Medicine from Milk: Scientists genetically modify animals to make medicine
Milestones in Biology Sequence Sprint
Collins and Venter race to decode the human genome
9. Cell Division and Mitosis
Paramedic Plants: Will herbs be the next cancer therapy?
10. Genetic Mutations and Cancer
Fighting Fate: Some are genetically predisposed to cancer—but surgery may cut their risk
11. Single-Gene Inheritance and Meiosis
Rock for a Cause: Research lightens the load of cystic fibrosis
Milestones in Biology Mendel’s Garden
An Austrian priest lays the foundation for modern genetics
12. Complex Inheritance
Q & A: Genetics: Complexities of human genetics, from sex to depression
13. Stem Cells and Cell Differentiation
Grow Your Own: Stem cells could be the key to engineering organs
UNIT 3: How Does Life Change over Time? Evolution and Diversity
14. Natural Selection and Adaptation
Bugs That Resist Drugs: Drug-resistant bacteria are on the rise. Can we stop them?
Milestones in Biology Adventures in Evolution
Charles Darwin and Alfred Russel Wallace on the trail of natural selection
15. Nonadaptive Evolution and Speciation
Evolution in the Fast Lane: Can Florida’s manatees cope with a rapidly changing environment?
16. Evidence for Evolution
A Fish with Fingers? A transitional fossil sheds light on how evolution works
17. Life on Earth
Q & A: Evolution: The history, classification, and phylogeny of life on earth
18. Prokaryotic Diversity
Lost City: Scientists probe life’s origins in an undersea world of extreme-loving microbes
19. Eukaryotic Diversity
Rain Forest Riches: Exploring eukaryotic diversity in Olympic National Park
20. Human Evolution
What Is Race? Science redefines the meaning of racial categories
UNIT 4: What Makes Up Our Environment? Ecology
21. Population Ecology
On the Tracks of Wolves and Moose: Ecologists are learning big lessons from a small island
22. Community Ecology
What’s Happening to Honey Bees? A mysterious ailment threatens to unravel the human food chain
23. Ecosystem Ecology
The Heat Is On: From migrating maples to shrinking sea ice, signs of a warming planet
24. Sustainability
Eco-Metropolis: Designing the city of the future