Chemistry
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ChemistryLet’s learn about forensic science
Crime scene investigators analyze evidence with science, to connect criminals to crimes. And it’s often slower and different from what you see on TV.
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ChemistryRock Candy Science 2: No such thing as too much sugar
Making rock candy at home takes a lot more sugar than you might think. Why? This experiment will show you why.
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ChemistryBatteries should not burst into flames
Because lithium-ion batteries power modern life, they need to store a lot of energy. Now scientists are focusing on making them safer.
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ChemistryLet’s learn about the periodic table
This iconic chart holds information about all the known elements. As more are discovered, the table expands.
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LifeScientists Say: Enzyme
This word describes a molecule that speeds up chemical reactions in living things. Enzymes work by lowering the energy needed for a reaction to occur.
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ChemistryConverting trash to valuable graphene in a flash
Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.
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LifeScientists Say: Fermentation
Fermentation breaks down carbohydrates, such as sugars, producing energy and making gases, acids or alcohol. This process can help make foods and fuels.
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ChemistryExplainer: What the pH scale tells us
The pH scale tells us how basic or acidic something is. Pure water sits in the middle of the scale, at a pH of seven.
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Health & MedicineNew spray gel moves drugs deep to treat frostbite
New gel spray sends healing ingredients deep into frostbite injuries to promote healing.
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EarthHelp for a world drowning in microplastics
Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.
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PhysicsLike Magneto? Microcrystals give magnets superpower over living cells
New iron-rich protein crystals could help researchers better understand the nerve cells that control movement and sensation. All they need are magnets.
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ChemistryScientists look to hack photosynthesis for a ‘greener’ planet
Photosynthesis turns sunlight into energy for plants. Scientists want to know more about it, imitate it — even improve it.