Monday, March 14, 2022

Microbes and minerals may have set off Earth’s oxygenation

Around 2.3 billion years ago, oxygen began building up in the atmosphere, eventually reaching the life-sustaining levels we breathe today. A new hypothesis suggests a mechanism for how this may have happened.

from Latest Science News -- ScienceDaily https://ift.tt/FJpP7Y5
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A little-known protein may be fueling Alzheimer’s — and scientists found a way to block it

An experimental Alzheimer’s compound prevented damaging protein clumps from forming in the brains of mice, helping nerve cells survive longe...