In this program we have played with iron, a fundamental component for our body that is responsible for transporting oxygen to the cells of our body, even if we only have about 4 grams. But that is not all. Iron has been and is closely linked to life.
The smell of old books is the result of hundreds of volatile organic compounds (VOCs) released into the air from the paper. In addition to being unmistakable, this odor can be very useful to avoid the degradation of old volumes, according to a study just published in the journal Analytical Chemistry.
Did you know that raindrops are not shaped like a teardrop? And that it takes 7,000 liters of water to refine a barrel of crude oil? Quench your thirst for knowledge in this selection of curious facts about water that we have prepared.
American scientists have created a smart and environmentally friendly roofing coating that attracts or repels the sun's rays to keep the heat or cold inside the house. It has been presented on the first day of the 239th annual meeting of the American Chemical Society (ACS), which is held in San Francisco until next day 25.
It is called denatonium benzoate, although it is known commercially as Bitrex. It was invented half a century ago and is used as an additive in highly toxic substances to prevent accidental poisoning of humans (especially children) and domestic animals.
Scientists at Yale University have identified more than two dozen olfactory receptors in malaria-transmitting mosquitoes that specialize in detecting substances present in human sweat. By canceling out this "bloodhound smell" that leads insects to their victims, scientists predict that this disease, which kills one million people every year, could be effectively combated, especially in Sub-Saharan Africa.
Knowing and judging a wine is an art that very few ever master. Color, aroma and flavor are the hallmarks of a good broth that only a trained person is able to distinguish and value.
American scientists from Brown University have shown that drinking whiskey produces a worse hangover than drinking vodka, and that the hangover of red wine produces more symptoms (nausea, headache, dizziness, thirst, fatigue, ...) than that of wine White.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
