World Topics

Sep 12, 2014

Warmer air caused ice shelf collapse off Antarctica

Warmer air triggered the collapse of a huge ice shelf off Antarctica in 2002, according to a report on Thursday that may help scientists predict future break-ups around the frozen continent. Antarctica is a key to sea level rise, which threatens coastal areas around ...

Sep 12, 2014

Double solar storms headed Earth's way

A rare double burst of magnetically charged solar storms was forecast to hit Earth on Thursday night and Friday, raising concerns that GPS signals, radio communications and power transmissions could be disrupted, officials said. Individually, the storms, known as coronal mass ejections (CME), wouldn’t ...

Ancient flying 'dragon reptile' named after 'Avatar' creature

Sep 12, 2014

Ancient flying 'dragon reptile' named after 'Avatar' creature

Some of the most visually stunning sequences from director James Cameron’s blockbuster movie “Avatar” involved graceful flying creatures that were ridden by blue humanlike beings facing ecological destruction on a moon called Pandora. It turns out that an animal very similar to those “Avatar” ...

Biggest dinosaur predator also the weirdest

Sep 12, 2014

Biggest dinosaur predator also the weirdest

The biggest dinosaur predator that ever stalked the Earth was also the weirdest. Scientists announced on Thursday the discovery in Moroccan desert cliffs of new fossil remains of Spinosaurus aegyptiacus, a 15-meter-long, 7-ton African monster that breaks the mold for how a dinosaur predator ...

U.S. Ebola survivor gives blood to ill American

Sep 12, 2014

U.S. Ebola survivor gives blood to ill American

A survivor of Ebola has donated blood to an American aid worker infected with the disease, and doctors treating him at a Nebraska hospital say he has responded well to the aggressive treatment. Dr. Phil Smith said Thursday that Dr. Rick Sacra received blood ...

Sep 12, 2014

FDA approves weight-loss drug Contrave

U.S. regulators are greenlighting a new weight-loss drug called Contrave, the third in a string of approvals for anti-obesity treatments. The drug was developed by Orexigen Therapeutics Inc., based in La Jolla, California. The Food and Drug Administration said Thursday that it is approved ...

Sep 11, 2014

High-tech survey exposes hidden Stonehenge

Researchers have produced digital maps of what lies beneath Stonehenge, using ground-penetrating radar, high-resolution magnetometers and other techniques to peer deep into the soil beneath the famous stone circle. The project produced detailed maps of 17 previously unknown ritual monuments and a huge timber ...