Tech

  1. Chemistry

    Meet the world’s smallest monster trucks

    These DNA-scale nano-vehicles surprised chemists. The bonds that hold their atomic building blocks in place grip the wheels more strongly than anyone had expected.

    By
  2. Fossils

    T. rex may not have been able to run — but it was still pretty fast

    T. rex was fearsome, but its leg bones may not have been strong enough to stand the stresses of running.

    By
  3. Earth

    Vinegar dissolves new electronics when they’re no longer needed

    Now you see it, now you don't. A new lightweight, low-cost technology disintegrates in kitchen vinegar.

    By
  4. Computing

    Math + teens + practice = a winning competition

    Training for an Olympics of math helps students stretch their creativity and learn problem solving skills. If you like puzzles, you might want to check out these events.

    By
  5. Genetics

    Scientists hide a real movie within a germ’s DNA

    A gene-editing technology called CRISPR helped scientists encode a short movie in the DNA of E. coli bacteria.

    By
  6. Genetics

    Explainer: How CRISPR works

    Scientists are using a tool called CRISPR to edit DNA in all types of cells.

    By
  7. Materials Science

    Robot grippers imitate gecko feet to help nab space junk

    NASA is testing robotic, gecko-inspired gripper hands that might one day help clean up space junk.

    By
  8. Health & Medicine

    Getting a flu ‘shot’ could become as easy as sticking on a bandage

    A new skin patch delivers a flu vaccine painlessly through dissolving microneedles. Such an easy-to-store and easy-to-use technology may help boost vaccination rates.

    By
  9. Tech

    Cool Jobs: Bringing you summer thrills

    Fireworks and ride designers combine math and science to engineer some frightfully good summer fun.

    By
  10. Health & Medicine

    Therapeutic robots may soon swim within the body

    Scientists are designing tiny robots that may one day do work inside the human body.

    By
  11. Animals

    Underwater robot vacuums up lionfish

    Lionfish damage coral reefs in the Atlantic Ocean. A new underwater robot hunts, stuns and captures the bullies with help from a human operator.

    By
  12. Environment

    Maybe ‘shade balls’ should not be balls

    So-called shade balls have a range of uses in water reservoirs, from cutting evaporation to reducing the growth of algae. But the best performers might not actually be balls, a Florida teen now shows.

    By