Our body has sophisticated thermoregulatory mechanisms that make it possible for the internal body temperature to remain practically unchanged, except in feverish states . In fact, a naked person can be exposed to temperatures of 40 to 60 degrees Celsius in full sun and maintain a nearly constant internal body temperature. Excess radiation is lost by very different mechanisms: radiation, conduction, convection, and sweating. Through sweat, 0.58 kilocalories are lost for every gram of water that evaporates.
What temperature does the body reach in the sun?
Japanese scientists create a 'washing machine for humans'
Can you imagine taking a relaxing bath in a machine that washes you with bubbles, plays relaxing music or videos?
Insect swarms generate as much electricity as a thunderstorm
Swarms of bees can generate an electrical charge of 1,000 volts per meter, a higher voltage density than thunderclouds and electrified dust storms.
This is what the Earth's magnetic field sounds like
The shield that protects our planet sounds 'pretty scary', according to ESA engineers.
Days were only 17 hours long 2.46 billion years ago
It was when the Moon was much closer to our planet. As the centuries pass, the Moon slowly recedes and the length of our day gradually lengthens accordingly.
Women are better at doing crosswords
A new study has revealed that women have a 'small but robust' advantage over time.