Fermi nuke plant used wrong test for years

The U.S.-based Union of Concerned Scientists says the Fermi Nuclear Power Plant near Detroit used the wrong backup systems safety test for 20 years.

Study: Inhabitants of early settlement were desperate to find metals

A new study provides evidence that the last inhabitants of Christopher Columbus’ first settlement desperately tried to extract silver from lead ore, originally brought from Spain for other uses, just before abandoning the ...

Looking for life on Jupiter's moon Europa

While NASA and the European Space Agency focus on Mars rovers and future missions to search for life on the Red Planet, a determined core of scientists is lobbying for equal attention to a place they feel is just as likely ...

Killing the messenger RNA -- But which one?

Tiny molecules called microRNAs, only 19 to 21 nucleotides in length, are able to effectively silence sometimes large sets of genes. They do this by specifically binding to and neutralizing another form of RNA called messenger ...

New evidence -- Clovis people not first to populate North America

The belief that the Clovis People were the first to populate North America some 11,500 years ago has been widely challenged in recent years, and a Texas A&M University anthropologist has found evidence he says could be the ...

ISS Crew Wraps Up Successful Spacewalk

Expedition 14 Commander Michael Lopez-Alegria and Flight Engineer Mikhail Tyurin retracted a stuck antenna on a cargo spacecraft during a 6-hour, 18-minute spacewalk that ended at 10:45 a.m. CST Thursday.

There's no such thing as a picky grizzly bear

A new University of Alberta study, which tracked eating habits of grizzly bears living in the Alberta foothills, sheds some light on the animal's varied diet and their activity pattern.

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