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Is it possible to get sick while in the cold?

Hey everyone! How many times did mothers tell us in childhood that when we went out into the cold we would dress warmly - otherwise we would catch a cold. For quite some time, scientists were able to determine...

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Why does a boomerang turn during a flight?

Hello friends! Boomerang is still haunted by many generations of scientists. To explain his flight proved to be far from simple. What makes this simple device make an intricate flight? Only aerodynamics...

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What is the difference between the ice age, the ice age and the ice age?

Hello! In the 17-18 centuries, marked by the rapid development of archeology, scientists first suggested that once a large part of the planet was under ice cover. They were prompted by the idea of studying...

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What is gnotobiology?

Greetings friends! Nothing portended danger. The spacecraft was the most reliable of all that has ever been made on Earth. A special system protected him from meteorite and radiation hazards. The crew consisted of the most experienced astronauts...

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Laughter - what is it? Where did it come from?

Hello everyone, friends! Laughter is a person's reaction, which is accompanied by involuntary contractions of the muscles of the face, as well as the respiratory apparatus, by involuntary sounds. These reductions can be caused by humor, tickling, sincere joy...

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The reason for the extinction of Neanderthals in... clothing

Hi! Neanderthals are representatives of the hominid family from the genus of humans, extinct about 40,000 years ago. For a long time, Neanderthals were considered the ancestors of modern people, but genetic...

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When did animals get eyes?

Greetings! A person learns most of the world visually. The eye is able to perceive electromagnetic radiation, one of which is light, and transform it into a picture perceived by our brain. If we look around,...

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When the speed of light was first measured

Greetings, friends! It is known that the speed of light in a vacuum is finite and amounts to ≈300,000 km/s. All modern physics and all modern cosmic theories are based on these data. But more recently,...

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What is the Doppler effect?

Hello! Nowadays, a phenomenon called the “Doppler effect” began to be mentioned more and more often. The brilliant discovery of a hardworking and, undoubtedly, talented figure, whose name was given to...

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Is it safe to fly through the asteroid belt

Hi everybody! The asteroid belt is the area between Jupiter and Mars, where most of the asteroids of the Solar System are concentrated. Our stormy imagination, science fiction films and fiction about space...

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