| obesity in the us fat epidemic why are americans fat junk food fat children ...kids diabetes on the rise... increased risk of diabetes fat cars driving americans television and obesity |
Sleep
deprivation running a sleep deficit , sleep debt Americans sleep, glucose absorption sleep causes of sleep loss effects of sleep loss nightworkers third shift sleep extreme cases : hallucinations, death americans sleep night |
| Zebra
mussels (when, where, how, why ) infestation, distribution, exotic invaders great lakes pollution zebra mussels in the us maps of great lakes |
Why
are the mid oceans sterile where are the fish ocean plankton soluble iron Columbus Iselin dumping iron what role does iron play continental fishing areas |
| Canadian
overfishing history (when, where, how, why ) Bounty of the Deep canada grand banks laurentine banks canadian fishing industry maps st laurent seaway etc |