"I am not fat, I am lipid." - the walrus

Supplementary videos

Hemoglobin breakdown: why is your feces brown (and your urine yellow)?
How prions arise: abnormal conformation of an infectious protein
Glycemic index - carbohydrates in your diet
17-year cicadas molt their exoskeletons

Extra credit readings

• Gigantic Spider Webs Made of Silk Tougher Than Kevlar Wired.com 9/20/10
• Sixty percent of adults can't digest milk USATODAY 9/15/09
• History of starching fabric OldandInteresting 7/21/10
• Chitin From Lobster Shell Shows Great Healing And Bio-Stimulant Properties ScienceDaily 7/16/07
• State bans trans fats Los Angeles Times 7/26/08

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