Q
What does ambidextrous mean?
Ambidexterity is the state of being equally adept in the use of both left and right appendages
Can an astronaut cry in space?
He confirmed that astronauts can indeed cry in space. Tears run down your face because of gravity, but they don't need gravity to form. When the tears get big enough they simply break free of the eye and float around.
What movie is Princess Aurora from?
Princess Aurora (alias Briar Rose) is a fictional character and the title character of Disney's 1959 animated film Sleeping Beauty, who is based from "The Beauty sleeping in the Wood" by Charles Perrault, published in 1697.
Do you weigh less at the equator?
If you weighed 100 pounds at the north pole on a spring scale, at the equator you would weigh 99.65 pounds, or 5.5 ounces less. Your mass, in grams, however would stay the same because 'grams' is a measure of the resistance of a body to being moved and has nothing to do with acceleration or gravity.
When were crayons invented?
In 1903, cousins Edwin Binney and Harold Smith invented something that has remained popular to even this day.
When were women first allowed to vote?
Passed by Congress June 4, 1919, and ratified on August 18, 1920, the 19th amendment guarantees all American women the right to vote.
Do insects have lungs?
Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect's abdomen. The air then diffuses down the blind-ended tracheae. Since the biggest bugs have the longest tracheae, they should need the most oxygen to be able to breathe.
When was the Braille invented?
When Louis Braille entered the school for the blind in Paris, in 1819, he learned of a system of tangible writing using dots, invented in 1819 by Capt. Charles Barbier, a French army officer. It was called night writing and was intended for night-time battlefield communications.
Why do flamingos stand on one leg?
Flamingos often stand on one leg, the other leg tucked beneath the body. The reason for this behaviour is not fully understood. Recent research indicates that standing on one leg may allow the birds to conserve more body heat, given that they spend a significant amount of time wading in cold water.
What city has the most fountains?
Kansas City, Missouri, is often abbreviated as KC. It is officially nicknamed the City of Fountains. With over 200 fountains, the city claims to have the second most in the world, just behind Rome.
What makes popcorn pop?
Popcorn is a special kind of corn. Of all the types of corn, popcorn is the only variety that pops. Inside each kernel of popcorn is a tiny droplet of water surrounded by a hard shell called a hull. As the popcorn is heated, the water turns into steam, which builds pressure inside the kernel.
Which continent has the largest population?
Asia is the most populous continent on earth Several large countries are located there, such as China. China is the country with the largest population.
Who introduced hello to answer telephone?
Hello wasn't used as a greeting until many years later when the telephone was invented. Inventor Thomas Edison is given credit for suggesting the use of hello as a standard greeting when answering a telephone.
Who invented breakfast cereal?
The first ever breakfast cereal was Granola, invented in the USA in 1863 by James Caleb Jackson
How many minutes are there in a year?
A common year is 365 days = 8760 hours = 525600 minutes = 31536000 seconds. A leap year is 366 days = 8784 hours = 527040 minutes = 31622400 seconds
What is the highest IQ ever recorded?
William James Sidis is alleged to have had an IQ of 275. With an IQ between 250 and 300, Sidis has one of the highest intelligence quotients ever recorded. Entering Harvard at the ago of 11, he was fluent in more than 40 languages by the time he graduated and worked his way into adulthood.
Why do you breathe in a paper bag when hyperventilating?
It accounts for approximately 25% of all cases of hyperventilation. The idea behind breathing into a paper bag is that you will begin to breathe in more CO2 than if you were inhaling normal air. This will then help bring your body's pH back to a normal range.
Why do you hear the ocean in a shell?
There is a popular folk myth that if one holds a seashell—specifically, most often, a conch shell—to one's ear, one can hear the sound of the ocean. The rushing sound that one hears is in fact the noise of the surrounding environment, resonating within the cavity of the shell.
Why does the sun lighten our hair and darken our skin?
Melanin is a pigment found in your skin and hair cells that gives each its color. It does seem weird that the sun bleaches our hair and darkens our skin. This mostly has to do with hair being dead and skin being alive. The sun bleaches and destroys the melanin in your hair giving you lighter hair.
Where is the biggest tree in the world?
The General Sherman is a giant sequoia (Sequoiadendron giganteum) tree located in the Giant Forest of Sequoia National Park in Tulare County, in the U.S. state of California. By volume, it is the largest known living single stem tree on earth.