
Songs that get stuck in your head are called “earworms”.

Sand from the Sahara Desert is blown by the wind currents and sometimes lands in the Amazon forest. This biological connection via the planet’s weather system causes the Amazon forest to be fertilized.

In a study published in the Royal Society, researchers found that when placing running wheels in the forest, mice would use them without any food reward.

A study published in Psychological Science says that Twitter may be more addictive than cigarettes and alcohol.

The eruption of the volcano Krakatoa was so loud, it was heard over 2000 miles away. It was so powerful that it disintegrated.

In 536 A.D, the Earth experienced what is believed to have been multiple comet impacts that enshrouded the planet in dust for a year.

There is a species of shark off Greenland that eats polar bears and can live up to two hundred years.