Payal Dhar

All Stories by Payal Dhar

  1. Tech

    A mosquito’s mouth can ‘print’ lines thinner than a human hair

    Scientists turned a mosquito’s straw-like mouthpart into a 3-D printing nozzle that creates ultra-thin lines.

  2. Artificial Intelligence

    Chatbots may make learning feel easy — but it’s shallow

    People who use search engines gain deeper knowledge and care more about what they learn than those who rely on AI chatbots, a new study finds.

  3. Health & Medicine

    Air pollution might harm children’s eye health

    Scientists used machine learning to understand air pollution’s role in eye health and vision. They found children have better eyesight in cleaner air conditions.

  4. Physics

    This microphone picks up sounds by watching them

    This microphone can “hear” by viewing the tiny vibrations made in everyday objects as sound waves strike them.

  5. Tech

    A modified glue gun squirts a material to help heal broken bones

    The handheld printer might someday apply bone-repair patches directly onto fractures — complete with antibiotics to prevent infection.

  6. Artificial Intelligence

    AI job-screening tools are very prejudiced, study finds

    AI job-screening tools ranked white-associated names higher than Black-sounding ones. Male names also were preferred. Black male names were never favored.

  7. Tech

    A Jurassic Park-inspired method can safely store data in DNA

    DNA can store all types of data. An amber-like material can now protect its information long-term — or release it on demand for short-term use.

  8. Tech

    Robotics might someday give us an extra hand

    We could control a bonus limb with the movements of our diaphragm.

  9. Health & Medicine

    Period blood could help diagnose diabetes and other illnesses

    A new test for diabetes is the first diagnostic tool based on period blood. But it may be just the beginning.

  10. Space

    Here’s how to build an internet on Mars

    Future Red Planet residents will need to get online to talk to each other and Earth. But that will require a lot of new tech.

  11. Humans

    Explainer: What is autism?

    Autism is not a disease, but a description used to characterize a certain type of brain development.

  12. Tech

    Human teleportation? This century we’re stuck doing it virtually

    If teleportation is defined as being transported instantly to another place, then it’s already happening — via extended reality and holograms.