Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
During his or her lifetime, the average human will grow 590 miles of hair.
69
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
The majority of suicides occur on a Monday.
393
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
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63
More Americans have died in car accidents than have died in all the wars ever fought by the United States.
55
The name Joshua is Hebrew for 'Jesus'.
74