World Topics

Dec 9, 2016

Virus found in DNA of child mummy could rewrite smallpox history

The discovery of smallpox DNA in a 17th-century child mummy may shorten the timeline of the deadly infectious disease’s history, according to a study published Thursday. Specimens of the smallpox-causing variola virus now exist only in secured laboratory freezers. The highly contagious and sometimes ...

Surgeon General sounds alarm over teen use of e-cigarettes

Dec 9, 2016

Surgeon General sounds alarm over teen use of e-cigarettes

The U.S. surgeon general is calling e-cigarettes an emerging public health threat to the nation’s youth. In a report released Thursday, Surgeon General Vivek Murthy acknowledged a need for more research into the health effects of “vaping,” but said e-cigarettes aren’t harmless and too ...

Cutting-edge tech virtually unwraps Egyptian mummies

Dec 8, 2016

Cutting-edge tech virtually unwraps Egyptian mummies

The hidden secrets of Egyptian mummies up to 3,000 years old have been virtually unwrapped and reconstructed for the first time using cutting-edge scanning technology in a joint British-Australian exhibition. Three-dimensional images of six mummies from between 900 B.C. and A.D. 140 to 180 ...

Dec 8, 2016

Greenland's ice-free past exposes sea level rise danger

The massive Greenland ice sheet has melted away at least once during the last 1.4 million years, according to a study published on Wednesday, raising fears that man-made climate change could provoke dangerous sea levels. Bedrock samples retrieved through more than three kilometers (two ...

Dec 8, 2016

Mars One puts back planned colonization of red planet

A British-Dutch company planning to install a community of humans on Mars admitted on Wednesday that its project will be delayed by several years. The Mars One consortium said its first manned mission to the red planet would now not happen until 2031, having ...

Giraffes suffering a 'silent extinction,' report says

Dec 8, 2016

Giraffes suffering a 'silent extinction,' report says

Giraffe numbers have declined by as much as 40 percent since the 1980s in a “silent extinction” driven by illegal hunting and an expansion of farmland in Africa, the Red List of endangered species reported on Thursday. Populations of the world’s tallest land creature ...

Dec 8, 2016

Flickering lights may hold potential to treat Alzheimer's

Scientists have used flickering LED lights to shrink, in mouse brains, the beta amyloid plaques associated with Alzheimer’s Disease in humans, they reported on Wednesday. While too early to say if this could translate into a much-needed treatment for the debilitating illness, it does ...