Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The human brain doesn't stop developing until about 25 years old.
102
Tigers can see 6 times better at night than humans.
305
You forget 90% of your dreams.
256
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
If the human eye was a digital camera, it would have 576 megapixels.
25