There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Oak trees can live 200 or more years.
61
More than 50% of Americans fall asleep on their sides.
86
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
32
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
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