Last Updated: Wednesday, May 22, 2013, 12:01
About 12,800 years ago when the Earth was warming and emerging from the last ice age, a dramatic and anomalous event occurred that abruptly reversed climatic conditions back to near-glacial state.
Last Updated: Tuesday, May 21, 2013, 16:39
Woolly mammoths - the gigantic cousins of modern day elephants - may have died as a result of climate change following a major cosmic impact near the end of the Ice Age.
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