A new Nature study argues human evolution is not slowing down but accelerating, particularly after agriculture reshaped diets and environments. Using genetic evidence, researchers report hundreds of variants shaped by natural selection, overturning the idea that evolution is mostly a past phenomenon and showing how traits across populations continue to change today.
A new Nature study says fossil fuel and cement producers have significantly amplified both the frequency and intensity of climate-change-driven heatwaves. Researchers report that emissions from the biggest carbon producers are a key factor in worsening extreme heat, and that emissions from just one major could be enough to produce events far more likely than current estimates suggest.
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