0 of 20 questions.
Your fingernails are not biodegradable.
It's impossible to sneeze with your eyes open.
When CBS broadcast the first color TV show, nobody besides CBS had color television sets!
A goat's pupils and an octopus's pupils are both rectangular.
The Eiffel Tower was a gift of friendship from Australia to France.
A billion years ago, days on Earth were only about 18 hours long.
Your hair and a rhino's horn are made of the same material.
Earth rotates a second or two slower every decade.
A diamond heated to 1405Â°F turns into vapor.
The wingspan of a 747 airplane is longer than the Wright brothers' first flight.
It's impossible to hum with your mouth open.
It's impossible to breathe and swallow at the same time.
Writers used to use bits of swiss cheese instead of rubber erasers to erase pencil marks.
The Earth is slightly pear-shaped.
Tap water, when viewed under a microscope, looks purple.
There are exactly 82 different ways to make change for a dollar.
According to suicide statistics, Monday is the favored day for self-destruction.
Someone is born in the US every eight seconds.
A man made a statue of himself usiing his own teeth, hair, and nails.
3 quarters, 4 dimes, and 4 pennies is the largest amount of money in coins from which you cannot make change for a dollar.