Why Geese Don't Get Obese (and We Do): How Evolution's Strategies for Survival Affect Our Everyday Lives

Imagine being able to consume 250,000 calories daily without gaining weight. If you had the metabolism of a shrew you could. And while most of us can't hold our breath for more than a few minutes, the Weddell seal can remain underwater for a full 75 minutes! Learn how humans and other creatures have evolved to gauge their need for food, water and oxygen; regulate body temperature and respond to stressful situations.