Our brains have a negativity bias and will remember bad memories more than good ones.
15
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain has the capacity to store everything that you experience.
4k
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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