News tagged with radiocarbon dates

Mammoths killed by abrupt climate change

New research has revealed abrupt warming, that closely resembles the rapid man-made warming occurring today, has repeatedly played a key role in mass extinction events of large animals, the megafauna, in Earth's past.

dateJul 23, 2015 in Ecology
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Science nabs illegal ivory sellers

A Toronto-based company has been convicted of selling illegal ivory in the first case to use a technique for dating ivory developed by a scientist at the Lamont-Doherty Earth Observatory in collaboration with other colleagues.

dateMar 09, 2015 in Analytical Chemistry
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Gothic cathedrals blend iron and stone

Using radiocarbon dating on metal found in Gothic cathedrals, an interdisciplinary team has shown, for the first time through absolute dating, that iron was used to reinforce stone from the construction phase. This study, ...

dateDec 17, 2014 in Archaeology & Fossils
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