Butterflies cannot fly if their body temperature is less than 86 degrees.
Neurons multiply at a rate 250,000 neurons per minute during early pregnancy.
Elephants have the longest pregnancy in the animal kingdom at 22 months. The longest human pregnancy on record is 17 months, 11 days.
A female oyster produces 100 million young in her lifetime, the typical hen lays 19 dozen eggs a year, and it is possible for one female cat to be responsible for the birth of 20,736 kittens in four years. Michelle Druggar holds the record for largest human family, having given birth to 17 children.
750ml of blood pumps through your brain every minute which is 15-20% of blood flow from the heart.
The human brain is about 75% water.
Dragonflies are capable of flying sixty miles per hour, making them one of the fastest insects. This is good since they are in a big hurry, as they only live about twenty-four hours.
Flies jump backwards during takeoff.
A housefly will regurgitate its food and eat it again.
Termites outweigh humans by almost ten to one.
A spider's web is not a home, but rather a trap for its food. They are as individual as snowflakes, with no two ever being the same. Some tropical spiders have built webs over eighteen feet across.
More people are afraid of spiders than death. Amazingly, few people are afraid of Champagne corks even though you are more likely to be killed by one than by a spider.
Your brain consumes 25 watts of power while you’re awake. This amount of energy is enough to illuminate a lightbulb.
It is impossible to lick your elbow.
Intelligent people have more zinc and copper in their hair.
In every episode of Seinfeld there is a Superman somewhere.
Possums have one of the shortest pregnancies at 16 days. The shortest human pregnancy to produce a healthy baby was 22 weeks, 6 days -- the baby was the length of a ballpoint pen.
Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.
The most poisonous spider is the black widow. Its venom is more potent than a rattlesnake's.
13% of Americans actually believe that some parts of the moon are made of cheese.
The world's youngest parents were 8 and 9 and lived in China in 1910.
Fish that live more than 800 meters below the ocean surface don't have eyes.
Butterflies range in size from a tiny 1/8 inch to a huge almost 12 inches.
Some Case Moth caterpillars (Psychidae) build a case around themselves that they always carry with them. It is made of silk and pieces of plants or soil.
Most household dust is made of dead skin cells.
One in eight million people has progeria, a disease that causes people to grow faster than they age.
The male seahorse carries the eggs until they hatch instead of the female.
Negative emotions such as anxiety and depression can weaken your immune system.
Stephen Hawking was born exactly 300 years after Galileo died.
Mercury is the only planet whose orbit is coplanar with its equator.