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Artículos sobre Chemistry

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What is micellar water and how does it work?

The molecules that make micelles are in your dishwashing detergent, your body wash, your shampoo, your toothpaste and even many foods. They are there to help the water interact with the dirt and oils.

The science of the ideal salad dressing

There is a large energy cost to breaking apart and mixing the water and oil layers. The secret to blending them is to add an extra ingredient known as a ‘surfactant’ or emulsifier, like mustard.

How to make gravy (using chemistry)

Roasting meat sets off a cascade of chemical reactions. With a bit of kitchen chemistry know-how, you can use these reactions to your advantage when you make gravy.
Scientists still debate the origins of Earth’s life-sustaining elements. BlackJack3D/E+ via Getty Images

Earth may have had all the elements needed for life within it all along − contrary to theories that these elements came from meteorites

Scientists analyzing isotope ratios have found that many of the elements that make up life could be left over from Earth’s formation.
Jordanian forensics experts inspect the site of a chlorine gas explosion in the Port of Aqaba in June 2022. Khalil Mazraawi/AFP via Getty Images

Chlorine is a highly useful chemical that’s also extremely dangerous − here’s what to know about staying safe around it

Chlorine is a widely used industrial chemical that’s frequently a factor in toxic accidents and workplace injuries. A pharmaceutical expert explains why it’s so hazardous.
Two crystalline materials together: kyanite (blue) embedded in quartz (white). Photo 12/Universal Images Group via Getty Images

How do crystals form?

There are a lot of myths about crystals − for example, that they are magical rocks with healing powers. An earth scientist explains some of their amazing true science.

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