In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Hot water can freeze faster than cold water.
182
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
29
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
22
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
25
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32