Transposons may be key players in how tumors develop and spread, but they also keep cancer at bay in some circumstances.

Can emulating our early human ancestors make us healthier?

Traveling to the ends of the earth in pursuit of biological quarry is not part of the job description for the average molecular biologist. But for anthropologist Don Melnick, going to work means trekking through the jungles of Southeast Asia for blood samples from the Javan silvery gibbon and other endangered animals. And the jobs of geneticist John Avise and biologist Brian Bowen entail long nights on tropical beaches waiting for nesting sea turtles. The following are the top ecology journal

Once a favorite of Chinese emperors, tofu is now big time. From supermarkets to health food boutiques, diet-conscious Americans are buying soybeans, not just as tofu but in infant formula, soy milk, and soy burgers. Soy even has the Food and Drug Administration's seal of approval. Last October the FDA responded to a petition by Protein Technologies International, a St. Louis-based DuPont company specializing in soy products, by authorizing claims that soy protein is good for the heart. Acc