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Mount Redoubt erupts

Thar she blows!

Mount Redoubt blew its lid last night and continues to erupt today, according to the Alaska Volcano Observatory (AVO), which has logged at five eruptions so far...

March 23, 2009 — Jordan Lite

Flying home, thinking of the North Pond

Editor's Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic's North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth's crust...

March 23, 2009 — Katrina Edwards

Rare star-to-supernova link established

A supernova, or stellar explosion, some 200 million light-years away has been traced to its progenitor star, one of only a few times the source of a supernova has been identified based on pre- and post-supernova images...

March 22, 2009 — John Matson

The end of the trip, with a few surprises in "Dak-horror"

Editor's Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic's North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth's crust...

March 22, 2009 — Katrina Edwards

Globe dives into World Water Day

Happy World Water Day! Today is the 16th annual United Nations-sponsored water awareness day. This year's theme "Sharing Waters Sharing Opportunities" aims to up knowledge about all of the bodies of fresh water (263 by the U.N.'s count) that cross – or create – international borders...

March 22, 2009 — Katherine Harmon

Seeing beyond the diffraction limit in 3-D

PITTSBURGH—At a meeting of the American Physical Society (APS) here this past week, physical chemist W. E. Moerner of Stanford University presented a clever new trick for looking inside living cells...

March 21, 2009 — Graham P. Collins

Next stop, Dakar!

Editor's Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic's North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth's crust...

March 21, 2009 — Katrina Edwards

Can river silt save Bangladesh?

Bangladeshis are already feeling the effects of climate change, especially those living on the low-lying river delta near the mouths of the Ganges. Frequent floods and stronger storms have been inundating the area with more water than many local rice growers can cope with, driving thousands to seek work in overcrowded cities...

March 20, 2009 — Katherine Harmon

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Scientific American Health & Medicine

Scientific American Health & Medicine