By weight, Bone is five times stronger than steel.
417
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Our Right Lungs takes more air than our left lung.
194
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
It takes about 20 seconds for a red blood cell to circle the whole body.
102