The human embryo develops a tail during the fourth week — it disappears by the eighth week.

The human eye can detect a candle flame over a mile away in darkness.

Fact #2633 · Human Body

The human nose can distinguish thousands of different scents.

Fact #107 · Human Body

Only about 5% of people have detached retinas in their lifetime.

Fact #2878 · Human Body

Only about 10% of people have a dominant left eye.

Fact #2876 · Human Body

Your bones are roughly five times stronger than steel by weight.

Fact #3503 · Human Body

Your brain enables perception.

Fact #2413 · Human Body

Your mind exists inside your brain.

Fact #2303 · Human Body

The human nervous system can transmit signals faster than a Formula One car.

Fact #2461 · Human Body