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Endurance athletes that carry Neanderthal genes could be held back from reaching their peakA Neanderthal variant in an enzyme involved in energy production has been linked to a 50% lower probability of achieving elite athletic performance.
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Earth is going to spin much faster over the next few months — so fast that several days are going to get shorterDifferences in the gravitational pull between the Earth and the Moon will make July 9, July 22 and August 5 unusually short.
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BMI should be replaced, experts argue — here's what the alternative could beA new study compares body mass index (BMI) with body fat percentage and finds the latter is far more reliable in predicting obesity-related diseases and death.
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US woman dies from prion disease — after being given an infected injection 50 years earlierThe patient was unknowingly infected with an abnormal protein that causes a rare, fatal neurological disease with no treatment.
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Which Olympic sport burns the most calories?Olympic-level sporting takes a lot of energy. But which event is the most energetically costly?
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How many extra calories does a person need during pregnancy?Scientists estimate that a person needs tens of thousands of extra calories to support a pregnancy — but there's no one-size-fits-all answer.
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11 minutes of moderate exercise a day cuts early death risk by 20%, huge analysis suggestsThe 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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What is sleep talking? We look at the scienceDiscover the science behind sleep talking, a behavior that over half the general population experiences at some point in their life.
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Sexsomnia really exists — here's what to know about 'sleep sex'Sexsomnia is a disorder that leads people to perform sexual behaviors while they're asleep.
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Why is there still no male birth control pill?Researchers have spent half a century investigating contraceptives for men, but how close are we to getting a male birth control pill?
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What does breast milk taste like?If you've ever wondered, “What does breast milk taste like?” science can provide an answer without having to try it for yourself.
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Your dog's genes, but not necessarily its breed, play a big role in its behaviorHumans began selectively breeding dogs around 2,000 years ago, and these genes play a role in your pup's behavior, a new study of 4,000 purebred, mixed-breed and wild dogs finds.
