Pain occurs when sounds are above 130 db.
124
The human brain uses approximately as much energy as a 10 watt light bulb.
120
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
Your thumb is about the same size as your nose.
124
It takes about 20 seconds for a red blood cell to circle the whole body.
102
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The human brain has the capacity to store everything that you experience.
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