Tech

  1. Brain

    New light on brain science

    A combination of physics, biology and engineering lets scientists use light to trigger actions by specific brain cells. Called optogenetics, this technology is shining new light on how the brain works.

    By Kathiann Kowalski
  2. Chemistry

    These bubbles treat wounds

    New research shows bubble-powered drugs can travel upstream, against the flow of blood, to seal wounds shut.

    By Meghan Rosen
  3. Health & Medicine

    How to print shape shifters

    3-D printing was only the beginning. Scientists are pursuing 4-D printing, creating objects that can move and interact with their surroundings.

    By Stephen Ornes
  4. Humans

    Jamestown: Unearthed graves tell tales of colony leaders

    The newly uncovered 400-year-old remains of four leaders of the Jamestown settlement in Virginia reveal details of the notable’s lives — and deaths.

    By Bruce Bower
  5. Earth

    Ground-thumping cheers help scientists

    Eager to test new sensors before the next ‘big one,’ earthquake scientists make use of a predictable source of ground-shaking: football fans.

    By Esther Landhuis
  6. Earth

    Phoning in earthquakes

    Sensors in your internet-connected phone, tablet or personal computer could help detect earthquakes more quickly and reliably.

    By Esther Landhuis
  7. Computing

    Radios: Build your own!

    Building AM radios let young researchers from across the globe tune into electronics and engineering.

    By Kathiann Kowalski
  8. Tech

    Inspired minds: Role models come from across the globe

    Innovators come from everywhere, as shown by the role models cited by students taking part in the 2015 Broadcom MASTERS International program.

    By Kathiann Kowalski
  9. Computing

    These young scientists are passionate about tech and math

    The 2015 Broadcom MASTERS International delegates show why math and computer skills are key to the success of science-fair projects.

    By Kathiann Kowalski
  10. Computing

    Robo-roach squeezes through tight spaces

    An arched shell helps a new cockroach-inspired robot move through an obstacle course with relative ease.

    By Meghan Rosen
  11. Tech

    This battery stretches without losing oomph

    Engineers have made a durable lithium-ion battery that can stretch to 150 percent of its original length. One day it could power wearable electronics.

    By Stephen Ornes
  12. Math

    To really learn, fail — then fail again!

    Hands-on learning through trial and error is becoming more popular in schools. The good news: Mistakes can be very helpful.

    By Susan Moran