Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Enamel is hardest substance in the human body.
61
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
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
By weight, Bone is five times stronger than steel.
417
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127