Researchers investigated when the body starts exerting more energy to keep itself cool at high temperatures. They found that this upper-temperature limit lies between 40℃ (104F) and 50℃ (122F) when ...

Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’ understanding of the potential effects of space exploration on the human body. Stem cells are found ...

For decades, 98.6 degrees Fahrenheit has been the widely accepted “normal” average temperature for the human body. But new research adds to the growing body of evidence that humans actually run a bit ...

The same body can look very different depending on whether you approach it as a biologist, a doctor, or a mathematician.