When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
In one day, adult lungs move about 10,000 litres of air.
11
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
You see your nose at all times, your brain just chooses to ignore it.
30
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15