Our brains have a negativity bias and will remember bad memories more than good ones.
15
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
You forget 90% of your dreams.
256
If the human eye was a digital camera, it would have 576 megapixels.
25
We share 70% of our DNA with a slug.
218
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 Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15