Showing results for "Ryan" in Environment

Darwin developed the theory of sexual selection to explain why the animal world abounds in stunning beauty, from the brilliant colors of butterflies and fishes to the songs of birds and frogs. He argued that animals have "a taste for the beautiful" that drives their potential mates to evolve features that make them more sexually attractive and reproductively successful. But if Darwin explained why sexual beauty evolved in animals, he struggled to understand how.

Nutrition scientist and gastronome Dr. P. K. Newby provides a sweeping overview of the many interrelationships between humans, land, and food. Newby examines topics including key nutrition concepts behind good eating; the technology, biology, and psychology of food choices; how diet affects our health and environment; and evidence-based tips for creating lasting behavior change. At the same time, Newby debunks popular myths and food folklore, challenging listeners to "learn, unlearn, and relearn" the fundamentals of nutrition at the heart of a health-giving diet.

With George Monbiot, Paul Allen and Peter Harper. Have you got what it takes to get to zero carbon? Our expert panel set one average family the task of eliminating their carbon footprint... and living with the consequences. Originally broadcast in March 2009. Starring Kate Ashfield, Don Gilet...