chemistry

That, at least, says popular wisdom. However, although it partly closes the neck of the bottle, it does not do so to the extent...

Before being cooked, the cheese used for melting contains long-chain protein molecules, that is, made up of a large number of atoms.

"The legalization of certain drugs should be accompanied by education" This American chemist is a very unorthodox scientist. Born in 1925, some have dubbed him the Calvin Klein of designer drugs. He has invented more than 150 substances. He has also published two key books on the subject "Pihkal" (1991) and "Tihkal" (1995), where he argues about the positive effects of the responsible use of psychoactive drugs.

"Almost all the molecules in the universe could create life" Born in Lleida in 1923, he has a degree in Chemistry from the University of Barcelona and a doctorate from the University of Houston. His research includes the chemical interpretation of the origin of life and his scientific criticisms about the existence of living organisms on Mars.

"In half a century we can fix the ozone hole" Mario Molina was born in 1943 in Mexico, although he has American nationality. He studied chemical engineering and, after graduating, went to France and Germany to further his studies. In 1967 he began his research on the ozone layer in the United States.

Halogen lamps, so called because they carry inside a bulb the vapor of a halogen -generally iodine- that increases the resistance of the filament,...

"Life arose naturally, without the presence of anything or anyone" This Chicago scientist managed, at age 23, to create amino acids in a test tube. Today, at 65, he struggles to defend his belief in the chemical origin of life. To do this, he continues to work as an ambitious young man from his Chemistry department at the University of California.