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
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Our brains have a negativity bias and will remember bad memories more than good ones.
15
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Yawns are more contagious among people with closer relationships.
163
Our Right Lungs takes more air than our left lung.
194
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191