During long portions of the past 2.4 billion years, the Earth may have been more ‘inhospitable’ to life than scientists previously thought, according to new computer simulations. Using a state-of-the-art climate model, researchers now believe the level of ultraviolet (UV) radiation reaching the Earth‘s surface could have been underestimated, with UV levels being up to ten times higher.
Title: Study reveals more hostile conditions on Earth as life evolved
Sourced From: www.sciencedaily.com/releases/2022/01/220104192530.htm
Published Date: Tue, 04 Jan 2022 19:25:30 EST
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