The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The United States does not have an official language.
88
The seahorse is the only fish to have a neck.
12
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Thinking in a foreign language makes decisions more rational.
6
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104