Qualcomm to refund BlackBerry $815 mn in royalties

US mobile chip giant Qualcomm is to refund BlackBerry $814.9 million in royalties overpaid by the Canadian company, according to a tentative arbitration award announced on Wednesday.

Graphene 'phototransistor' promising for optical technologies

Researchers have solved a problem hindering development of highly sensitive optical devices made of a material called graphene, an advance that could bring applications from imaging and displays to sensors and high-speed ...

Endangered right whales deliver fewest births in 17 years

Endangered North American right whales gave birth last winter to the fewest calves seen off the U.S. coast in 17 years, troubling scientists who say the low births support other evidence that the imperiled species' population ...

Astronomers piece together first image of black hole

After training a network of telescopes stretching from Hawaii to Antarctica to Spain at the heart of our galaxy for five nights running, astronomers said Wednesday they may have snapped the first-ever picture of a black hole.

Ants rescue their injured

The African Matabele ants (Megaponera analis) are widespread south of the Sahara and are a specialised termite predator. Two to four times a day, the ants set out to hunt prey. Proceeding in long files, they raid termites ...

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