From the daily newsletter: a doctor goes to Mars. Plus: investigating celebrity yearbooks; Merve Emre on friendship books; ...

The Bible's lex talionis – "Eye for eye, tooth for tooth, hand for hand, foot for foot" (Exodus 21:24-27) – has captured the human imagination for millennia.

Find out about the different stages of a human life cycle and how we change ... Discover how the food gets into the body, through the digestive system. What happens to food in your mouth?

Growing human organs in laboratories has rapidly moved from the annals of fiction into the realm of actual science. But ...

When you’re low, you may experience adverse symptoms like a headache, dehydration, or mental confusion. Here’s how to tell if you’re low on electrolytes and what to do.

Following is a transcript of the video. Your body is made up of over 200 bones, a few trillion microbes, and as many as 37 trillion cells. And while death is often thought of as the end of the ...

Researchers at University of Galway have created the world’s largest collection of digital microbes - nearly a quarter ...

For years, TRISH has supported research projects and studies that aim to solve the challenges of human exploration in space ... the bones in the lower part of your body (legs, hips, and spine) are ...

Hyperkalemia, which can induce signs of a heart attack or paralysis and weakness of the muscles, is defined as a level that is higher than 5.0-5.5 mEq/L.