World Topics

Jul 16, 2014

Brazilian called world's oldest: 126

A Brazilian rest home for the elderly believes one resident may be the world’s oldest person: a former agricultural laborer born in a community of runaway slaves 126 years ago, at a time when Brazil still had an emperor. A birth certificate and identity ...

Jul 15, 2014

Friends share DNA similarities, study finds

You may be more similar to your friends than you think: A study suggests that the DNA code tends to be more alike between friends than between strangers. That’s beyond the effect of shared ethnicity, researchers say. And it could be important for theories ...

Orbital launches cargo ship to space station

Jul 14, 2014

Orbital launches cargo ship to space station

Orbital Sciences Corp. on Sunday launched its unmanned Cygnus cargo carrier on a journey to resupply the astronauts living aboard the International Space Station. The spacecraft lifted off from Wallops Island, Virginia, at 12:52 p.m. aboard a gleaming white Antares rocket. A NASA commentator ...

Jul 13, 2014

Dengue shot offers some protection in trial

The most advanced vaccine for dengue offers only modest protection but could still help millions of people avoid the devastating effects of the disease known as “breakbone fever,” according to a large trial. There is no treatment for dengue, which causes symptoms including fever, ...

Jul 11, 2014

WHO urges all gay men to use preventive drugs

The World Health Organization on Friday urged all men who have gay sex to take antiretroviral drugs, warning that HIV infections are rising among homosexual men in many parts of the world. “We are seeing exploding epidemics,” warned Gottfried Hirnschall, who heads the WHO’s ...

California preps for soda tax showdown

Jul 11, 2014

California preps for soda tax showdown

If two of the most progressive U.S. cities don’t pass a tax on sugary drinks, will the idea finally fizzle out? Sugary drinks have been under fire for years, with many blaming them for rising rates of obesity and chronic diseases. Yet efforts to ...

The long march of 'biofortified' GM foods

Jul 11, 2014

The long march of 'biofortified' GM foods

In 1992, a pair of scientists had a brain wave: How about inserting genes into rice that would boost its vitamin A content? By doing so, tens of millions of poor people who depend on rice as a staple could get a vital nutrient, ...