Chemistry
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ChemistryLeftover opioids? Teen finds possible way to kill such pills
Mercedes Randhahn, 14, of Ogden, Utah, came up with a possible way to chemically deactivate unused opioid pills. Her research paved the way to a $2,500 prize.
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ChemistryExplainer: What are acids and bases?
These chemistry terms tell us if a molecule is more likely to give up a proton or pick up a new one.
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Materials ScienceReversible superglue mimics snail slime
Inspired by snail slime, scientists have created the first super-strong adhesive that can be easily become unstuck, when necessary.
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ChemistryScientists Say: Periodic table
The periodic table is a chart showing all the known chemical elements. An element’s location in the table reveals a lot about its chemistry.
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ChemistryCool Job: One green chemist is mining zoo dung for biological helpers
Her goal is to convert farm-field wastes into useful fuels and chemicals
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Chemistry2019 Nobel Prize in chemistry goes for pioneering lithium-ion batteries
Today’s lithium-ion batteries power everything from smartphones to computers. Three scientists who pioneered those batteries just got the 2019 Nobel Prize in chemistry.
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PhysicsScientists find the secret to colossal bubbles
What’s the right mix of materials to blow big bubbles that stretch without popping? Physicists have turned up the solution.
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ChemistryChemists have created a ring-shaped form of carbon
A ring-shaped carbon molecule takes its place among buckyballs, carbon nanotubes and other odd forms of the element.
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ChemistryScientists Say: pH
pH is a scale used to measure the acidity or alkalinity of a solution. The scale ranges from zero to 14, with seven as the perfect neutral middle.
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ChemistryExplainer: The bacteria behind your B.O.
Special glands in our armpits give us our signature stink. But it’s not our sweat that’s to blame. It’s the bacteria that gobble it up.
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TechA new electric surgery tool may someday fix nose, ear and eye problems
A new surgery tool uses electricity to reshape ear and nose tissue in minutes, without pain. Someday, it might even work on eyes to restore normal vision.
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PhysicsTiny new magnets are not only squishy but also liquid
Researchers have just created liquid droplets that behave like tiny bar magnets. The movement of these external magnets might help control robots and more.