Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
On average, there's 100 billion neurons in the human brain.
83
The human brain is more active during sleep than during the day.
28
Our Right Lungs takes more air than our left lung.
194
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
You forget 90% of your dreams.
256
The average sperm cell swims at 8 inches per hour.
4
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15