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
The human brain has the capacity to store everything that you experience.
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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
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130