Chemistry
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ChemistryStudy acid-base chemistry with at-home volcanoes
Baking soda volcanoes are a fun demonstration, and with a few tweaks they can be an experiment, too
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ChemistryHow to recycle ‘nonrecyclable’ plastics
A new process can convert some nonrecyclable plastics into a type that now can be reused. That could greatly cut down on wastes sent to landfills.
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ChemistryScientists Say: Plastic
Plastics are made of long polymer chains and can take on many shapes. Unfortunately, they stick around for a long time.
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ChemistryNew solution for carbon dioxide: Turn it into ‘green’ fuel
Chemists have created a new way to convert carbon dioxide into ethanol. It might one day help remove excess CO2 — a greenhouse gas — from the air.
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ChemistryBuild 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.
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ChemistryStinky success: Scientists identify the chemistry of B.O.
They turned up the enzyme in bacteria behind that underarm stench. Understanding how it works could pave the way to new types of deodorant.
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ChemistryScientists say: Chemical
A chemical is anything made of two or more atoms bonded together in a fixed structure. Chemicals make up the world around us.
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AnimalsA single chemical may draw lonely locusts into a hungry swarm
Swarms of locusts can destroy crops. Scientists have discovered a chemical that might make locusts come together in huge hungry swarms.
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AgricultureScientists Say: Carbohydrate
Carbohydrates are molecules with carbon, oxygen and hydrogen. Animals break down these chemicals in food to get energy.
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ChemistryLet’s learn about batteries
Many things in our lives rely on batteries. Here’s how scientists are working to make new ones — and make existing batteries safer.
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FossilsEarly dinosaurs may have laid soft-shelled eggs
Scientists for the first time have turned up evidence of fossils from soft-shelled dinosaur eggs. This has scientists rethinking how dinosaur eggs evolved.
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EnvironmentAustralian wildfires pumped smoke to record heights
Wildfires in Australia in late December and early January spurred an unusual smoke plume that still hasn’t fully dispersed.