When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
Water is actually naturally blue.
48
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
When withdrawing money from an ATM, the 'whirring' sound before your money pops out is actually a recording. The actual mechanism is so far back that you can't hear it.
282
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
One human hair can support 3 ounces.
191