Chemistry

  1. Plants

    Explainer: How photosynthesis works

    Plants can take in light, water and carbon dioxide, and send out sugar and oxygen. Here’s how it works.

    By
  2. Chemistry

    2020 chemistry Nobel goes for CRISPR, the gene-editing tool

    Only eight years after its development, CRISPR has revolutionized genetics. It also just brought Emmanuelle Charpentier and Jennifer Doudna acclaim.

    By
  3. Chemistry

    Study 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

    By
  4. Chemistry

    How 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.

    By
  5. Chemistry

    Scientists Say: Plastic

    Plastics are made of long polymer chains and can take on many shapes. Unfortunately, they stick around for a long time.

    By
  6. Chemistry

    New 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.

    By
  7. 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.

    By
  8. Chemistry

    Stinky 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.

    By
  9. Chemistry

    Scientists 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.

    By
  10. Animals

    A 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.

    By
  11. Agriculture

    Scientists Say: Carbohydrate

    Carbohydrates are molecules with carbon, oxygen and hydrogen. Animals break down these chemicals in food to get energy.

    By
  12. Chemistry

    Let’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.

    By