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A billion people in Africa are at a climate risk blind spot

Disasters related to the weather or climate are becoming more common. Since 1970, there has been a five-fold increase in the number of weather-related disasters, causing economic damages that have surged a staggering 70 times ...

Fossil footprint discoveries and what they tell us

Footprints on a sandy surface don't usually last long: they're washed away by water, wiped out by wind or covered over by new tracks. At certain sites in southern Africa, though, some traces of animals have lasted for many ...

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