Your thumb is about the same size as your nose.
124
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
We share 70% of our DNA with a slug.
218
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
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Your fingernails grow faster in summer.
744
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