Why the razor blade becomes dull because of the soft hair?
Scientists have discovered why blades have such a small shelf life. In our daily lives is the mass of illogical and very strange situations. Take, for example, shaving and cutting the hair. The hair on our head and facial hair is ...
As the knowledge of several languages affect the brain?
Knowledge of several languages definitely affects the brain, but how? Most people can speak only one language, which they learned in childhood due to the environment of parents and other relatives. But in the world there are peopl...
10 of the most important experiments that changed our world
the Experiments are different. What did scientists and researchers in the pursuit of science. What crazy experiments they did not intend to open something new. It all now can bring a smile or, on the contrary, puzzling over the st...
The dog — man's best friend, or just pretending?
a scene from the movie "Hachiko" Dogs are considered to be among the first Pets. Scientists still can't say for sure when exactly people have tamed these creatures, but the most common assumption States that this occurred between ...
How do we find each other through scent
For the people of Europe perfume "Chanel" is considered pleasant, while residents of New Guinea hate the smell, but I love the smell of pork fat. How is it that different people appreciate the smells different? The smell carries o...
As the patterns on the back of snakes help them to remain unnoticed?
On our planet is inhabited by a huge variety of creatures, and snakes — some of the most amazing wildlife. At the moment scientists know of more than 3,000 species of these creatures and each of them is fraught with many mysteries...
The screen of your watch too small? Use your skin!
After Apple introduced its smart watch, there was a real boom of these devices. If you compare how many people now on the street with smart clock, and, for example, 5 years ago, the difference is tenfold. However, there are such ...
Why does the skin itch and how scientists propose to treat it?
each of us had itchiness on the skin is the sensation of unpleasant tingling sensation, which you want to remove scratching, to forget is impossible. This type of skin irritation can be caused by stress, insect stings and exposure...
Why I'm for total control, for your own safety?
the World is changing rapidly before our eyes. What yesterday seemed impossible — today is a boring routine. I'm talking about the Internet, smartphones, satellite communications, GPS and more that literally burst into our l...
Found a way to get rid of complexes about appearance
there are very few people who are completely happy with your appearance. According to statistics, in Russia lives 70% of women and 63% of men who believe in the ugliness of his face and body. But scientists from the Spanish city o...
Dogs are able to detect prey by their body temperature
Many predatory animals to detect prey use multiple senses. for example , recognize potential victims, not only with eyes, but using a couple of temperature-sensitive pits on the head. Using your cool senses, the snakes can easily ...
did you Know that evaporation of dry ice can be caught in a soap bubble? If you drop a pellet of dry ice in water, it appears white and a large number of gas bubbles. When you add into the water several drops of liquid soap forms ...
Ventilation does not help to clean the air from harmful substances
the Air in homes, offices and many other areas can not be called clean. All because when using and cooking spaces are filled with chemicals that can be harmful to human health. Many people believe that to get rid of them just by o...
Is it true that people can turn gray from stress?
Scientists revealed the process of graying hair. If the person had gray hair on the head, it means he is aging or . There is a reason why the people there is the expression "gray terror"? Severe stress can actually cause the appea...
Is it possible to teach a wolf to carry the team?
Contrary to stereotypes, some wolves are quite well exposed to training Dogs are among the most intelligent animals on our planet. They are so intelligent that their owners wish to teach them to perform commands such as "sit", "do...
What time of day memory works best?
working capacity of human memory depends on the time of day have you ever had that conversation with the person you suddenly couldn't remember his phone number or, even worse, his name? And this despite the fact that you remembere...
Like a huge whale could sneak up to large shoals of fish?
body Weight humpback whales can reach 30 000 kg In 2019, the researchers from the University of Hawaii at Manoa are awesome the hunting of humpback whales on a large shoal of small fish. As it turned out, to feed each other, the w...
Why is it important to wash hands before eating?
Washing hands is important for our health In a previous article we thoroughly figured out and how to do it. But do not forget that before and after a meal is also important to wash your hands. The fact that through unwashed hands ...
be able to penetrate the tissue of the mother and the fetus is able to see him. Hearing, taste, touch and smell are developing in the fetus long before birth into the light and all these feelings are quite well studied by scienti...
Children are able to quickly come up with their own sign language
Children can always find a common language with each other Despite numerous studies, scientists still do not know exactly when and how humans learned to speak. Some researchers believe it originated about 50 thousand years ago, bu...