"Biology is applied chemistry." - Anon.

Supplementary videos

Hydrogen is very reactive: Hindenburg explosion
Hydrogen is very reactive: balloon explosion (HHMI)
Water pulled up a tree due to cohesion
Birds dance on water due to surface tension
Hydrogen fuel cell with PEM technology
Peptic Ulcer: why 'medications to suppress stomach acid'?

Extra credit readings

• How lizards walk on water BBC News 11/24/04
• Why Toyota and GM Are Pushing Fuel-Cell Cars to Market MIT Technology Review 7/5/13
• Acid/Alkaline Theory of Disease Is Nonsense Quackwatch 1/11/09
• Cholesterol Metabolism The Medical Biochemistry Page
• State bans trans fats Los Angeles Times 7/26/08
• F.D.A. Ruling Would All but Eliminate Trans Fats N.Y. Times 11/08/13
• The 50 Worst Inventions: Olestra 5/27/10
• Gigantic Spider Webs Made of Silk Tougher Than Kevlar Wired.com 9/20/10
• Got lactase? University of California Museum of Paleontology April 2007
• Lactose Tolerance and Human Evolution Smithsonian 4/7/09

---