Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The average person's skin weighs twice as much as their brain.
131
Your thumb is about the same size as your nose.
124
The human brain doesn't stop developing until about 25 years old.
102
When you take a step, you are using up to 200 muscles.
886
It takes about 20 seconds for a red blood cell to circle the whole body.
102