Supernovae-induced lightning may have encouraged humanity's ancestors to walk upright

A bombardment of cosmic rays from ancient supernovae may have triggered a series of events that encouraged early human ancestors to walk upright, according to a new study published in the Journal of Geology. The scientists behind the research believe that the cosmic explosion could have helped trigger a shift in Earth's environment that forced humanity's fore bearers to adapt.

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Category: Science

Tags:

• Earth
• Environment
• Evolution
• Stars
• Supernova

from New Atlas (Gizmag) http://bit.ly/2K9IGHK