On average, there's 100 billion neurons in the human brain.
83
Pain occurs when sounds are above 130 db.
124
Our Right Lungs takes more air than our left lung.
194
Our brains have a negativity bias and will remember bad memories more than good ones.
15
A person can live without food for about a month, but only about a week without water.
156
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266