Warming soil releases toxic metals that threaten fish and disrupt food chains. In Alaska’s Brooks Range, rivers that were once clear enough to drink have turned a murky orange as toxic metals spread through the water. Warming is thawing long-frozen ground, setting off chemical reactions that are harming fish and disrupting entire ecosystems. As global [...]| SciTechDaily
The evolutionary ladder is meant to be climbed one rung at a time with an organism shedding some traits and gaining others on the way up. However, in a very surprising twist, some tomatoes on the Galapagos islands are inching back down the ladder.| New Atlas