It was plausible because the echo could be part of the quack itself.

More fun facts!

111,111,111 x 111,111,111 = 12,345,678,987,654,321

Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.

Each king in a deck of playing cards represents a great king from history. Spades - King David; Clubs - Alexander the Great; Hearts - Charlemagne; and Diamonds - Julius Caesar.

Nutmeg is extremely poisonous if injected intravenously.

Pearls melt in vinegar.

Honey is the only food that doesn't spoil.

Only one person in two billion will live to be 116 or older.

It was discovered on a space mission that a frog can throw up. The frog throws up its stomach first, so the stomach is dangling out of its mouth.Then the frog uses its forearms to dig out all of the stomach's contents and then swallows the stomach back down again.

Studies show that if a cat falls off the seventh floor of a building, it has about thirty percent less chance of surviving than a cat that falls off the twentieth floor. It supposedly takes about eight floors for the cat to realise what is occurring, relax and correct itself.

Emus and kangaroos cannot walk backwards, and are on the Australian coat of arms for that reason.

The very first bomb dropped by the Allies on Berlin during World War II killed the only elephant in the Berlin Zoo.

More people are killed annually by donkeys than die in aircrashes.

A shark can detect one part of blood in 100 million parts of water.

If you toss a penny 10000 times, it will not be heads 5000 times,but more like 4950. The heads picture weighs more, so it ends up on the bottom.

Babies are born without kneecaps. They don't appear until the child reaches 2-6 years of age.

The 3 most valuable brand names on earth: Marlboro, Coca-Cola, and Budweiser, in that order.

Coca Cola was originally green.

40% of McDonald's profits come from the sales of Happy Meals.

Where do you get this?

Mah brain, eet herts!

Istalris wrote: If you toss a penny 10000 times, it will not be heads 5000 times,but more like 4950. The heads picture weighs more, so it ends up on the bottom.

I will forever pick tails because I finally have an advantage in random decisions. thanks

And finally, before I hit the sack, enjoy!

Every person has a unique tongue print.

The most common name in the world is Mohammed.

Intelligent people have more zinc and copper in their hair.

The world's youngest parents were 8 and 9 and lived in China in 1910.

Einstein couldn't speak fluently when he was nine. His parents thought he might be retarded.

Leonardo da Vinci could write with one hand and draw with the other at the same time.

A 'jiffy' is an actual unit of time: 1/100th of a second.

Months that begin on a Sunday will always have a "Friday the 13th."

All of the clocks in the movie "Pulp Fiction" are stuck on 4:20.

Mel Blanc (the voice of Bugs Bunny) was allergic to carrots.

Every day more money is printed for monopoly than the US Treasury.

Clans of long ago that wanted to get rid of their unwanted people without killing them used to burn their houses down - hence the expression "to get fired."

The name Jeep came from the abbreviation used in the army for the "General Purpose" vehicle, G.P.

The phrase "rule of thumb" is derived from an old English law which stated that you couldn't beat your wife with anything wider than your thumb.

The US Interstate road system was designed so that one mile in every five must be straight. These straight sections are usable as airstrips in times of war or other emergencies.

The cruise liner Queen Elizabeth II, moves only six inches for each gallon of fuel that it burns.

A Saudi Arabian woman can get a divorce if her husband doesn't give her coffee.

Donald Duck comics were banned from Finland because he doesn't wear trousers.

Ketchup was sold in the 1830s as medicine

You can tell from the statue of a mounted horseman how the rider died. If all four of the horse's feet are on the ground, he died of natural causes. One foot raised means he died from wounds suffered in battle. Two legs raised means he died in action.

these were funnier than the others.so much so I'm not going to quote one.

Istalris wrote:Studies show that if a cat falls off the seventh floor of a building, it has about thirty percent less chance of surviving than a cat that falls off the twentieth floor. It supposedly takes about eight floors for the cat to realise what is occurring, relax and correct itself.

What sort of studies are these? >.>

people threw cats off a building?

No cats were harmed in the making of Science, though one may or may not be dead.