I. Anatomy & Medicine
1. Ancient Times: Native American Remedies
2. The 18th Century: What Killed George Washington?
3. The 19th Century: A Risky Operation
4. The 19th Century: The First Anesthetics
5. The 19th Century: The Amazing Story of Phineas Gage
6. The 19th Century: Civil War Hospitals
7. The 19th Century: Patent Medicines
8. The 19th Century: Dr. Roe, the Nose Fixer
9. The 19th Century: President Cleveland's Operation
10. The 19th Century: Defeating Yellow Fever
11. The 20th Century: The World's Tallest Man
12. The 21st Century: Brain Damage and Investing

II. Astronomy
1. The 19th Century: The "Moon Hoax" of 1835
2. The 19th-20th Century: "The Brick Moon"
3. The 19th-20th Century: The Comet Scare of 1910
4. The 19th Century: The Man Who Discovered Pluto
5. The 20th Century: The Hubble Space Telescope
6. The 20th Century: What's That Thing on the Moon?
7. The 20th Century: A "Gravitational Lens"
8. The 20th-21st Century: Exobiology
9. The 20th Century: Politics and Space Missions
10. The 20th Century: Planetoid Impacts
11. The 20th-21st Century: The Hunt for Comet Dust
12. The 21st Century: Landing on Titan

III. Chemistry
1. The 19th-20th Century: The DuPont Empire
2. The 20th Century: The Petrochemical Society
3. The 20th Century: Chemical Threats to Eagles
4. The 20th Century: Melvin Calvin and Photosynthesis
5. The 20th Century: Linus Pauling
6. The 20th Century: An Element Rarer than Gold
7. The 20th Century: Plastic Models
8. The 20th Century: Glenn Seaborg
9. The 20th Century: Other Biochemistries?
10. The 20th Century: The Radon Controversy
11. The 20th Century: Seeking a Monster's DNA
12. The 20th Century: The Hydrogen Economy

IV. Physics
1. The 18th Century: Benjamin Franklin, Physicist
2. The 18th Century: The Rumford Fireplace
3. The 19th Century: The Snowflake Man
4. The 19th Century: Willard Gibbs
5. The 19th Century: Albert Michelson
6. The 19th Century: Henrietta Swan Leavitt
7. The 20th Century: Vannevar Bush's "Memex"
8. The 20th Century: John von Neumann
9. The 20th Century: The Richter Earthquake Scale
10. The 21st Century: Cold Fusion
11. The 21st Century: Faster than Light?
12. The 21st Century: The Physics of Tsunamis

V. Technology
1. Earliest times: Tepee Design
2. Earliest times: The Tomahawk
3. The 18th Century: Household Technology in 1776
4. The 18th Century: Thomas Jefferson, Inventor
5. The 19th Century: Building the Fastest Ships
6. The 19th Century: The "Caloric Engine"
7. The 19th Century: The Rise of Railroad Technology
8. The 19th Century: Who Invented the Steamboat?
9. The 20th Century: How Radio Changed America
10. The 20th Century: Transistor Radios
11. The 20th Century: A Great Ship's Short Career
12. The 21st Century: Nanotechnology