Your fingernails grow faster in summer.
744
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
In one day, adult lungs move about 10,000 litres of air.
11
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human sigh acts as a physiological reset button.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23