Menopausal Mother Nature

News about Climate Change and our Planet

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Girl returns rock to national park and earns rangers' sweet shout-out

If you haven’t done it, maybe you’ve thought about it. You had such an amazing time at some wonderful park that you slipped a little stone into your pocket so you could remember your trip forever. That’s what a young…

Frying oil consumption worsened colon cancer and colitis in mice, study shows

Food scientists have shown that feeding frying oil to mice exaggerated colonic inflammation, enhanced tumor growth and worsened gut leakage, spreading bacteria or toxic bacterial products into the bloodstream.

Here’s how early humans evaded immunodeficiency viruses

The cryoEM structure of a simian immunodeficiency virus protein bound to primate proteins shows how a mutation in early humans allowed our ancestors to escape infection while monkeys and apes did not. SIV’s Nef protein forms a solid link between two primate proteins, tetherin and AP-2, forcing the destruction of tetherin, which normally prevents new SIV virions from budding off. A mutation in human tetherin disrupted binding, thwarting SIV budding — until HIV evolved a work-around.