Chemistry
Build ice towers with bottled water and ice
Pour out liquid water into a solid ice tower. We outline the conditions you’ll need to turn this demonstration into a super-cool experiment.
MS-PS1-1
Develop models to describe the atomic composition of simple molecules and extended structures.
More Stories in MS-PS1-1
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TechHere’s one way to harvest water right out of the air
Need water but you have no access to rain, lakes or groundwater? Materials known as metal-organic frameworks could be used to slurp that water from the air, new data show.
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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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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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Materials ScienceNew twist can hush — even cloak — some sounds
Swiss engineers developed clear, spiral structures to make a new sound-dampening system. Those twists block some vibrations and lets others through.
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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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ChemistryChemistry’s ever-useful periodic table celebrates a big birthday
2019 is the International Year of the Periodic Table. But the traditional chart is just one of many shapes that chemists and other scientists have developed to organize the elements.
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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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EarthExplainer: Why sea levels aren’t rising at the same rate globally
The ocean is rising all over the world. The rise seems speedier in some places. What gives? Many factors, it turns out, affect where — and why — the tide gets high.