High-tech concrete technology has a famous past
(PhysOrg.com) -- In the business of concrete making, what's old -- even ancient -- is new again.
Mar 16, 2011
3.8 / 5 (4)
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Mar 16, 2011
3.8 / 5 (4)
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Giant worms and rum: records reveal 19th century life at sea
From a young girl who vomited a giant worm to lightning strikes and walrus attacks, the treacherous nature of life at sea in the 19th century was laid bare Thursday in newly released British archives.
Sep 30, 2010
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