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
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your fingernails grow faster in summer.
744
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In one day, adult lungs move about 10,000 litres of air.
11