They were some of the largest, hairiest animals ever to walk the Earth, but new research shows a big part of the woolly mammoth's diet was made up of tiny flowers.
The work is based on DNA analysis of frozen arctic soil and mammoth poop. It suggests that these early vegans depended on the flowers as a vital source of protein. And when the flowers disappeared after the last ice age, so too did the mammoths that ate them.
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And I'm Audie Cornish. Now, the strange story of Tyrone Hayes. The biologist has devoted much of his career to studying a common herbicide used on corn, called atrazine; specifically, its effects on amphibians. Hayes believes the chemical impedes the sexual development of frogs, and he's publicly argued against the use of atrazine and criticized the corporation that makes it, Syngenta.
Originally published on Wed February 5, 2014 4:34 pm
Part of an antitrust agreement with the European Union regulators, Google has agreed to tweak its search results in Europe.
The search giant has agreed that when a user searches for a product, for example, the search results of its rivals — Amazon, let's say — will be displayed along with those of advertisers paying Google for prominent space.
A few days in the dark can improve an animal's hearing, scientists report this week in the journal Neuron. This temporary loss of visual input seems to trigger favorable changes in areas of the brain that process auditory information, they say.
Hackers who broke into Target's computer network and stole customers' financial and personal data used credentials that were stolen from a heating and air conditioning subcontractor in Pennsylvania, according to digital security journalist Brian Krebs.
Microsoft co-founder Bill Gates is stepping down as chairman of its board and into a new role, which the company is calling "technology adviser." The change comes as a new CEO — Satya Nadella — takes the helm. Gates says he will actually be spending a little more time at Microsoft. Microsoft watchers say if he manages his new role well, it will be good for the company.
Originally published on Sun February 9, 2014 4:39 pm
California's drought is getting very serious — so serious that even those water refills you didn't ask for at restaurants are now under scrutiny.
"We have not had this dry a time period in all of California's history since we've been keeping records — that's how bad it is," Rep. Jim Costa, D-Calif., who represents a district in the Central Valley, told reporters on Tuesday.