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The Earliest Known Horse Weighed 3.9 Kilograms. Then, It Went To Space
Cast your mind back 56 million years. Can’t? Allow us to refresh your memory: it was the Paleocene-Eocene Thermal Maximum, a ...
BBC7y
Seven things that happened when the planet got really, really hot
Today the average global temperature is around 15-16 degrees Celsius, but in the Paleocene it was around ... The event is known as the Palaeocene-Eocene Thermal Maximum (PETM) but the cause ...