Archive: 30/03/2012

Recycling galaxies caught in the act

(PhysOrg.com) -- When astronomers add up all the gas and dust contained in ordinary galaxies like our own Milky Way, they stumble on a puzzle: There is not nearly enough matter for stars to be born at the rates that are observed. ...

dateMar 30, 2012 in Astronomy
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When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction of all the ...

dateMar 30, 2012 in Astronomy
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Whole Foods to stop sale of unsustainable seafood

(AP) -- Whole Foods Market said Friday that it will stop selling fish caught from depleted waters or through ecologically damaging methods, a move that comes as supermarkets nationwide try to make their seafood selections ...

dateMar 30, 2012 in Ecology
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