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
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Your body is creating and killing about 2.4 million red blood cells per second.
17
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
In ancient Athens, the worlds first democracy, they had a process called ostracism, where once a year the people could vote on the politician they thought was most destructive to the democratic process. The “winner” was banished from Athens for 10 years.
3