News

  1. Tech

    A new 3-D display lets you reach in and touch virtual objects

    These hands-on displays might be used to create more immersive video games, educational tools and museum exhibits.

    By Maria Temming
  2. Physics

    Here’s how we might generate electricity from rain

    Water drops produce electricity when dripped through a small tube. That power might be harnessed as renewable energy in rainy places.

    By Jude Coleman
  3. Health & Medicine

    Two cities stopped adding fluoride to water. Science reveals what happened

    As calls to end fluoride in water get louder, changes to the dental health of children in Calgary, Canada, and Juneau, Alaska, may provide a cautionary tale.

    By Alex Viveros
  4. Health & Medicine

    Bird flu in cows shows no signs of adapting to humans — yet

    Easy replication in cattle mammary glands means H5N1 bird flu is under no evolutionary pressure to adapt to spread easily in humans.