In many countries, urine was used as a detergent for washing.
17
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
Seaweed can grow up to 12 inches per day!
59
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
The most children born to one woman was 69, she was a peasant who lived a 40 year life, in which she had 16 twins, 7 triplets, and 4 quadruplets.
852
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
‘Qatar’ is the world's most expensive bar of soap. Infused with gold and diamond powder, it costs a squeaky clean $2,800.
18
Mushrooms are more closely related to humans than they are to plants.
47