Sweat comes from special parts in our skin called glands. You might be able to see them if you have a very strong magnifying glass.
Techniques and technology can help athletes perform at their best even in freezing temperatures.
They say 'men sweat, while women glow'. But new research shows gender is not the reason for different levels of sweating.
Some people swear by cold showers to cope with a long, hot summer. Here's why they'd be better off taking a warm one.
Researchers are finding new ways to keep them cool.
Here's the science.