A protein known to inhibit the growth of ovarian cancer works in part by forcing cancer cells to eat themselves until they die, researchers at The University of Texas M. D. Anderson Cancer Center report in the Nov. 15 issue of Cancer Research.

Scientists have unraveled in unprecedented detail the cascade of events that go wrong in brain cells affected by HIV, a virus whose assault on the nervous system continues unabated despite antiviral medications that can keep the virus at bay for years in the rest of the body.

An innovative plan to get new life-saving drugs into the hands of millions of people around the world who need medicines but can't afford the massive costs will be unveiled to key decision makers in London and Washington over the coming weeks.

An unusual microorganism discovered in the open ocean may force scientists to rethink their understanding of how carbon and nitrogen cycle through ocean ecosystems.