Unknown lineage of ice age Europeans discovered in genetic study

The largest study yet to look at the genetics of ice age hunter-gatherers in Europe has uncovered a previously unknown lineage dubbed the Fournol.

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Artificial sweetener may increase risk of heart attack and stroke, study finds

Erythritol, a sugar substitute, may be linked to an elevated risk of heart attack and stroke in at-risk adults.

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'Unreal' auroras cover Earth in stunning photo taken by NASA astronaut

NASA astronaut Josh Cassada photographed a gorgeous green aurora from space, capturing the impacts of a solar storm that swept over our planet.

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1st at-home test for flu and COVID authorized by FDA, but its maker is bankrupt

The Food and Drug Administration authorized a new test that detects SARS-CoV-2, influenza A and influenza B.

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China's Mars rover may be dead in the dust, new NASA images reveal

The Mars rover Zhurong hasn't moved since last fall, new orbiter images confirm, suggesting that the Chinese rover may be at the end of its lifespan.

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What is lactate threshold and how does it affect exercise performance?

A higher lactate threshold may be beneficial during endurance sports, research suggests.

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11 minutes of moderate exercise a day cuts early death risk by 20%, huge analysis suggests

The largest review of its kind finds that just 75 minutes of exercise per week drastically reduces risk of early death, heart disease and cancer.

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