Archive: 01/28/2009

'Fossil earthquakes' abundant

Rocks formed only under the extreme heat and friction during earthquakes, called pseudotachylytes, may be more abundant than previously reported, according to new research focused on eight faults found in the Sierra Nevada. ...

Jan 28, 2009
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American seniors living longer on less, study

Older Americans have experienced huge, negative financial shifts that now make it more difficult to enter retirement with sustainable economic security, a new study finds. Seventy-eight percent of all senior households are ...

Jan 28, 2009
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Mountain caribou's ancient ancestry revealed

The declining mountain caribou populations of Canada's southern Rockies are a more distinct breed than scientists previously believed, according to a new study by University of Calgary researchers that is ...

Jan 28, 2009
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