If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
If the human eye was a digital camera, it would have 576 megapixels.
25
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
By weight, Bone is five times stronger than steel.
417
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Yawns are more contagious among people with closer relationships.
163
It takes approximately 12 hours for food to entirely digest.
93
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22