First of all, DON'T DO IT! But if you WERE to stick your tongue to a cold flagpole, why would it stick? Hosted by: Hank Green ---------- Like SciShow? Want to help support us, and also...
========== You may have noticed that, when it’s really
cold out, your skin seems to get sticky. Touch your finger to a piece of ice, and suddenly
it’s like it’s glued to you. Touch your tongue to a cold flagpole outside
of your school, and you’ll become a legend. But not in a good way. They’ll probably dedicate a whole page of
your yearbook, just full of embarrassing pictures from that fateful day. But why? Why did your tongue stick to the
flagpole? The reason is actually really simple, even
if the effects aren’t pleasant: There’s saliva between your tongue and that flagpole,
and it freezes on contact. The newly-formed ice acts as a bond between
tongue and flagpole, almost like superglue. And unless you figure out a way to melt the
ice -- like by pouring hot ...