Sybren Drijfhout, University of Southampton
As recently as 6,000 years ago the Sahara was green and fertile. We’ve found evidence of large rivers crossing the region, lined by flourishing settlements. Then suddenly things changed. Trees died and the land dried up. Soil blew away or turned into sand and those rivers were no.
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Monthly Archives: December 2019
Lakshmi Magon, University of Toronto
This year, three studies showed that humour is useful for engaging the.
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