The Mpemba effect sounds like it should be easy to debunk: hot water freezing faster than cold water? That's backwards. But ...

Add Yahoo as a preferred source to see more of our stories on Google. Women tend to feel colder faster than men. The roots of this probably lie in evolutionary history. Roland Weihrauch/dpa What for ...

What for some of us is a comfortable temperature is for others too chilly. People's heat perception varies, and their sex ...