News tagged with delta

Source of life running out: water scientists

The majority of people on Earth people will face severe water shortages within a generation or two if pollution and waste continues unabated, scientists warned at a conference in Bonn Friday.

May 24, 2013
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Cosmology standard candle not so standard after all

(PhysOrg.com) -- Astronomers have turned up the first direct proof that "standard candles" used to illuminate the size of the universe, termed Cepheids, shrink in mass, making them not quite as standard as ...

Jan 12, 2011
5 / 5 (15) 43 | with audio podcast