Scientists have compared data from the last ice age, around 21,000 years ago, and modern records to see what happened to plankton when the world has previously warmed.
Articles on Last ice age
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The early settlement of the Americas is hugely contested area of archaeology.
Researchers are analyzing the fossil cranium of a Smilodon fatalis that lived more than 13,000 years ago to learn more about the lifestyle of this iconic big cat.
45,000 years ago, people first started arriving in what’s known as Europe today. We thought a worsening ice age made them disappear – but it seems some lineages survived.



