Enamel is hardest substance in the human body.
61
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Our Right Lungs takes more air than our left lung.
194
Gorillas can catch human colds and other illnesses.
205
A person can live without food for about a month, but only about a week without water.
156
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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