Tag Chemicals - results: 54
How dangerous mercury is and where it applies
Mercury beautiful but dangerous. Since childhood we are told that mercury is dangerous, but many families still use mercury thermometers. In Europe they are banned because of the danger to humans, but that is where it is produced ...
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...
How many tables of chemical elements actually exist?
Before you the classification of the chemical elements, organized on the basis of different properties of the elements of their charge of an atomic nucleus. In 1869, Dmitri Mendeleev presented to the colleagues from the Russian ch...
Life on Earth could appear as a result of hybrid molecules of DNA and RNA
the DNA might have mixed with the RNA to produce the first life on Earth Despite a failed attempt to create life in the laboratory, the scientists were able to learn that at the heart of life are two main forms of genetic code of ...
How does the biggest jellyfish and how it is dangerous?
jellyfish Nomura and man If you wear a diving suit and descend into the waters of the Yellow sea, you likely will find a huge jellyfish Nomura (Nemopilema nomurai). The diameter of the body of these creatures is about two meters a...
What are silver nanoparticles and are they safe for health?
Silver can be called one of the most natural antibiotics Silver is considered to be one of the most sought after metals on the planet. Besides the fact that it is often used in the jewelry industry, this metal is also used in the ...
What is all-around or what is a molecule?
the water Molecule contains 1 oxygen atom and 2 hydrogen atoms. Every time two atoms join together, they form a molecule. In fact, everything that surrounds us – and we ourselves – is made up of trillions of different types of mol...
What are the different types of metals and alloys?
today there are more than 90 types of metals and they are used in various fields Metals are everywhere around us: they made their cars, timber frame houses, appliances, phones and many other inventions of humanity. But how much do...
The most valuable metals on Earth
today there are more than 90 varieties of metals the Modern periodic table includes 118 chemical substances. Most of this table is made up of various metals — these include more than 90 of all open items. A variety of metals is ve...
The most interesting metals on Earth
take a Look around — we are surrounded by metals. Millions of years ago our ancestors made tools of wood and stone, but after thousands of years they learned to use metals. From this moment on, humanity began to evolve at an incre...
Of chicken eggs can make a solution to increase shelf life of fruits
to increase the shelf life of fruits, you need to store them in the refrigerator Today, mankind has many problems ranging from global warming to the intensity in 2020 pandemic coronavirus. At the moment they are trying to solve th...
Discovered the first molecule in the Universe
have you ever Thought ever about how and when the Universe appeared molecules? After the Big Bang nearly 14 billion years ago as a result of chemical reactions were molecules that played a crucial role in the formation of everythi...
Why bill gates wants to dig up California's “Dead sea”?
One of the main billionaires of the planet, plans to develop a new start-up and start to be active in the development of lithium mines in the lake of Solton — “the Dead sea” the American state of California. Due to the fact ...
Why cigarette smoke is, even in places with a Smoking ban?
Cigarettes are harmful to every human body by its very existence. Today no matter you smoke or not, because harmful substances can be found almost everywhere and the whole of humanity. Recently German researchers found that contai...
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...
Do those who like cosmetics most children born with obesity
Scientists have long known that the use of women during pregnancy products can affect the health of the child. For example, during gestation it is not recommended to consume coffee, because in some cases he might be so harmful tha...
Cigarettes emit harmful substances even after extinguishing
every year people throw out to five trillion cigarette butts. Thanks to the warnings on TV and on cigarette packs with images of terrible diseases we already know about the dangers of Smoking. This habit is very common and in most...
65 million years ago the Earth's atmosphere was polluted with mercury
most Likely, the dinosaurs became extinct as a result of a fatal succession of random events. If you think that before the fall of the asteroid on our planet 65 million years ago the life of dinosaurs was beautiful and serene, I h...
Residents of the United States suspected of developing nuclear reactor in the garage of his house
Creator of "nuclear reactor" will be tested on mental health In mid-2019, in the Wake of the popular TV series "Chernobyl", we wrote about the existence in Russia of at least ten nuclear reactors and about their level of security....