Though it might feel great to finish a workout and see "calories burned" pop up on your smartwatch, that number is often surprisingly inaccurate, with estimated error rates of 30%–80%. The watch's ...

An EEG (electroencephalogram) is a painless test that uses small sensors placed on the scalp to measure the brain's electrical activity. It provides a real-time readout of brain "waves"—rhythms ...

A new 3D electronic mesh device allows scientists to record and stimulate activity across almost the entire surface of lab-grown human "mini-brains." ...

With the exception of infectious diseases, examination of the environmental causes of illness has been piecemeal. Gary Miller, a toxicologist at Columbia University who also addressed the meeting, ...

Jenni Shearston has received funding from the National Institutes of Health. I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early ...

One man is covered with a bloody white shroud inside a body bag. Another lies nearby, his body sprawled on the tiled floor with arms raised and blood streaked across the face. Row upon row of other ...

Real-time voice artificial intelligence startup Deepgram Inc. has reasons to think the new year could be a good one after raising $130 million in funding at a $1.3 billion valuation. It also unveiled ...

Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And often you’re not even aware that they exist. There are tons of things we ...

The human body is extraordinarily complex, with several openings and a few exits. But exactly how many holes does each person have? It sounds like a simple enough question to answer — list the ...

Some people believe we know everything about such thing as our body, since we study biology at school, read books, and watch popular videos on YouTube. Well, this is far from being true. The human ...

An unusual household appliance has been launched on the market in Japan: a washing machine for people. The 7.5-feet-long capsule (that’s 2.30 meters) was unveiled at the World Expo [PDF], which took ...