Our brains have a negativity bias and will remember bad memories more than good ones.
15
It takes approximately 12 hours for food to entirely digest.
93
On average, there's 100 billion neurons in the human brain.
83
Yawns are more contagious among people with closer relationships.
163
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
We share 70% of our DNA with a slug.
218
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24