When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Linen can absorb up to 20 times its weight in moisture before it feels damp!
46
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Tae Kwon Do is only around 60 years old.
64
A typical lead pencil can draw a line that is 35 miles long.
158
A man earned 4 million airline miles for free without breaking any laws by using his credit card to purchase free-delivery $1 coins from the U.S. mint.
11
There is a fake village with fake shops and restaurants that is actually a care home for elderly dementia sufferers in the Netherlands.
7
There are more nerve cells in the human brain than there are stars in the Milky Way.
349