A bullet shot out of a rifle can exit the barrel at speeds up to about 2796 miles/h (4500 km/h). That's more than three times the speed of sound.
Sloths are the slowest animals on Earth. They also sleep a lot, 15 to 18 hours per day while hanging upside down.
The planet Venus is named after the Roman goddess of love. It is the brightest planet in the night sky and the only planet to be named after a female.
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The South American fish "Pacu" is the world's only fish that eats nuts. It's jaws are so powerful that it can crack open nuts underwater.
The heart of a giraffe weighs more than 10 kilograms (22lbs) and beats twice as fast as the human heart.
Your nose contributes to taste more than your tongue. Around 80% of taste is actually coming from your smell receptors. Hold your nose when you eat something and you'll see it's 'taste' will not be as strong.
The first cell phone was unveiled in 1973 by Motorola. It is now referred to as "the brick phone" because if it's large size.
Hummingbirds can fly up, down, left, right, forward, backward, and upside down too!
Penguins can drink sea water. They have glands just above their eyes which remove salt from their blood and expel it out through their nose.
The Bibhorr formula is a new mathematical formula to calculate the angles of a right angle triangle without using Sine and Cosine functions. Once the length of all sides are known, the numbers are simply plugged into the formula which results in the angle that is opposite to the middle sized side. The formula is: 90*(Longest Side + Medium Side - Shortest Side)^2 / (Medium Side)^2 + 1.5*(Longest Side)*(Longest Side + Medium Side - Shortest Side)
Earth worms have on average five hearts and no lungs. They absorb oxygen through their skin.
The human sneeze can travel faster than 100 miles per hour (160 km/h). It is not recommended to hold back a sneeze, as the extreme pressure may cause ear damage.
In 1979 two couples with their children escaped East Germany in a home made hot air balloon. The balloon climbed to 6000 feet and landed in West Germany. It was their second attempt, their first landed 200 yards short of the border.
An octopus has nine brains and three hearts. It has one central brain plus eight additional brains inside each tentacle.
Doctors estimate that we have 50,000 to 70,000 thoughts per day.
It's a common belief that humans use only 10 percent of their brains. MRI imaging has shown that humans actually use most of their brain, even while sleeping.
