A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Tigers can see 6 times better at night than humans.
305
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
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
