Like fingerprints, everyone's tongue print is different.
250
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
It takes 492 seconds for sunlight to reach the Earth!
44
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
In 1976, an underachieving Princeton junior undergraduate wrote a term paper detailing how to make a nuclear bomb. He got an "A", but never got his paper back because it was seized by the FBI.
16
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12