Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Your heart will pump about 212 million liters in its lifetime.
26
Babies crawl an average of 200m a day.
212
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
