The human brain is more active during sleep than during the day.
28
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
The chills you sometimes feel when listening to music is called "musical frisson."
18
The Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
13
'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
17
A “butt” was a Medieval unit of measure for wine. Technically, a 'buttload' of wine is about 475 liters, or 126 gallons.
10
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34