It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human brain has the capacity to store everything that you experience.
4k
It takes approximately 12 hours for food to entirely digest.
93
Enamel is hardest substance in the human body.
61
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Your heart will pump about 212 million liters in its lifetime.
26