Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
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
Tigers can see 6 times better at night than humans.
305
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Every human spent about half an hour as a single cell.
144
On average, there's 100 billion neurons in the human brain.
83
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