"Scientists need to have a genuine curiosity about how the world works," says Stephen Wooding, a scientist at Britain's Institute of Physics. Well, let's feel like scientists and learn a little more interesting things about the world! 
Male deer lose their antlers in winter, but females do not. That's why Santa's sleigh is pulled by a team of strong, independent women. 
Natural redheads have a genetic resistance to anesthesia, complete with an unusually high pain tolerance. 
The Juno apparatus - Juno - which NASA sent to Jupiter, was the wife of Jupiter in Roman mythology. The moons of Jupiter are named after Jupiter's lovers. So NASA sent Jupiter's wife to "spy" on him and his mistresses. 
Lemons do not occur naturally; they were created by artificially crossing bitter oranges and citrons. 
40% of a dog's brain is completely focused on smell. They have a separate organ that is designed solely to perceive a smell that is different from the oxygen absorption mechanism they breathe (unlike humans: we have a single system that copes with these two functions). Bottom line, if we can smell a teaspoon of sugar in a cup of coffee, then dogs could smell a teaspoon of sugar in two Olympic-sized swimming pools of coffee. 
The sun sounds very loud, we simply don’t hear it, because sound cannot travel in the vacuum of space. 
Cats don't meow to talk to other cats, they use a different language to do so. They meow to talk to us. 
People who were born deaf and became ill with schizophrenia see a variety of strange hands that talk to them about all sorts of nonsense. 
Diamonds are, in fact, neither valuable nor rare. It's just that De Beers (an international corporation specializing in diamonds) once ran an advertising campaign that said that a man should spend two months' salary on a diamond engagement ring. They then raised prices, limited supply, and created a costly illusion that generations of people still consider an essential part of the marriage process. 
A sword made from the blood of your enemies is technically possible. If you isolate iron from the blood of 300 adults, you can turn it into an iron ingot. This ingot would be enough to create a long sword. 
Picasso and Alice Cooper were pen pals. 
Woodpeckers' tongues curl around their skulls to prevent concussions. 
People live closer in time to the Tyrannosaurus than the Tyrannosaurus itself lived to the Stegosaurus. 
The smell that grass gives off after being cut actually has a very specific purpose: it is supposed to mark someone who will harm the plant, so that predators will eventually begin to associate the smell with prey. This is why the grass literally tries to kill you as soon as you start harming it. 
Apple seeds do not produce an apple the same as the one from which they came. Each apple seed produces a completely unique apple. If you want the same apple, you need to cut a branch from an existing apple tree and graft it onto another tree. 
The brain is the only thing we know that can name itself. 
Fathers can breastfeed. This does not require any medication or other medical intervention. The process starts only during times of severe stress, mainly after the death of the mother during childbirth. This has been recorded a large number of times.
The lighter was invented before matches. 
Axolotls can regenerate any organ as long as they remain in their native climate and water. If they are taken to a new location or the water chemistry changes in a body of water, they become salamanders that can no longer regenerate. 
Crows have a very good memory, they can even teach their relatives to recognize people they know. 
Pineapple contains bromelain, an enzyme that performs a proteolytic function, nj tcnm? destroys proteins, producing the amino acids that make up its composition. That is, when you eat pineapple, you feel a burning sensation because the pineapple is eating you. 
Women already have a lifetime supply of eggs already in the womb, so the egg that became you was inside your grandmother - through your mother. 
Only 66 years passed between the Wright brothers' first successful flight test and the landing of man on the Moon. 
When a hydrogen bomb explodes, at 1600 billionths of a second the temperature of the explosion is 100 million degrees Celsius. For comparison, the temperature of the Sun's core is 15 million degrees Celsius. 
Since its discovery in 1930, Pluto has yet to orbit the Sun. It will continue the circle until 2178. 
In the time it takes you to read this sentence, you will have traveled approximately 3,500 kilometers of space. 
In the 1970s in the United States, it was believed that babies did not feel pain, so they were operated on without anesthesia. 
If our Sun were the size of a white blood cell, our galaxy would be the size of the continental United States. 
Because of the microgravity in space, astronauts' blood may flow in the opposite direction. 
To multiply any two-digit number by 11, insert their sum between its two digits. For example, 63x11 = 693.
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