Stories by Carol Ezzell

In Zimbabwe--where AIDS is prematurely killing a generation of adults--counselors and researchers struggle against social customs, viral resourcefulness and despair.

Who wants to give away a million dollars?
This 1999 Nobelist does--to rebuild one of Germany's Baroque landmarks

Mapping the functions of various areas of the human brain is difficult--and controversial

Is it time to cull some elephant populations in southern Africa and sell the ivory?

Explanations of the science underlying the world's most prestigious awards for physics, chemistry and physiology plus a look at the prizes for peace, won by a physicians organization, and economics

People with weakened HIV are getting sick, quelling enthusiasm for a live AIDS vaccine

Scientists warn of outbreaks stemming from the ocean abyss

Broadening Viagra's reach may elucidate the physiology of female sexuality

Evidence of the fat-regulating hormone is turning up in immune system cells and blood vessel linings

New blood and ultrasound tests for Down syndrome might reduce the need for amniocentesis

No, Judah Folkman probably won't cure cancer in two years. He says he simply hopes to render it a manageable, chronic disease

Fetal cells that sneak into a mother's blood could be the cause of an autoimmune disease