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
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
On average, there's 100 billion neurons in the human brain.
83
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14