Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
In many countries, urine was used as a detergent for washing.
17
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Water is actually naturally blue.
48
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6