Sound effects inspired Stonehenge: US scientist

Ancient legends of thunder gods can be explained today with the modern science of sound waves, said a US scientist on Thursday who believes an auditory illusion inspired the creation of Stonehenge.

'Honeycombs' and hexacopters help tell story of Mars

In a rough-and-tumble wonderland of plunging canyons and towering buttes, some of the still-raw bluffs are lined with soaring, six-sided stone columns so orderly and trim, they could almost pass as relics of a colossal temple. ...

Solid debut for Amazon's Kindle Fire: research firm

Amazon's Kindle Fire, which went on sale in November, had a solid debut, leapfrogging Samsung tablets to become the top-selling device after Apple's iPad, a market research firm said Thursday.

Curb the car dashboard technology, government asks

(AP) -- Auto dashboards are becoming an arcade of text messages, GPS images, phone calls and web surfing, the government says, and it's asking carmakers to curb those distractions when vehicles are moving.

Spacewalking astronauts move crane, skip shields

Two spacewalking astronauts moved a construction crane outside the International Space Station on Thursday, a cumbersome job that took so long they scrapped hanging shields to protect against space junk.

Leaks show group's climate efforts

(AP) -- Leaked documents from a prominent conservative think tank show how it sought to teach schoolchildren skepticism about global warming and planned other behind-the-scenes tactics using millions of dollars in donations ...

Problems cast shadows of doubt on solar project

One of California's showcase solar energy projects, under construction in the desert east of Los Angeles, is being threatened by a deadly outbreak of distemper among kit foxes and the discovery of a prehistoric human settlement ...

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