Study reveals more hostile conditions on Earth as life evolved
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.
from Latest Science News -- ScienceDaily https://ift.tt/3ERkvq4
from Latest Science News -- ScienceDaily https://ift.tt/3ERkvq4
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