The sun and moon appear to be the same size in the sky because of an astonishing coincidence: the moon is 400 times smaller but 400 times closer.
In 2009, Burger King launched a campaign that if you unfriended 10 friends on Facebook, you were entitled to a free Whopper. The person you unfriended would get a message telling them that their friendship is worth less than a Whopper.
Doctors' sloppy handwriting kills more than 7,000 people annually in the United States.
In one month, the average person consumes about a Lego brick’s worth of microplastic.