Some cats are allergic to humans.
Some cats are allergic to humans.
A snail can sleep for up to 3 years.
Sea otters hold hands when they sleep so they don’t drift apart.
The word “robot” comes from a Czech word meaning “forced labor.”
Tomatoes have more genes than humans.
The moon has moonquakes — like earthquakes, but on the Moon.
Sharks existed before trees — by about 200 million years.
Butterflies can taste with their feet.
The inventor of the frisbee was turned into a frisbee after he died — his ashes were molded into one.
The human nose can detect over 1 trillion different smells.