• Ever wondered why your cat's tongue feels like sandpaper?

    Ever wondered why your cat's tongue feels like sandpaper?

    Mar 01, 2017 04:00 PM EDT

    https://youtu.be/9h_QtLol75I Even after thousands of years sharing our homes, cats still remain mysterious. For one thing, they spend an inordinate amount of time grooming themselves, up to half of their waking hours. But all of that primping isn’t about vanity. For ambush predators like cats ...

  • Vera Rubin, who spotted the first evidence of dark matter, dies at 88

    Vera Rubin, who spotted the first evidence of dark matter, dies at 88

    Dec 27, 2016 03:01 PM EDT

    ... the National Academy of Sciences and National Medal of Science in 1993 -- many lamented her passing because it eliminates her contention for a Nobel Prize. https://twitter.com/AstroKatie/status/813467072512475136 https://twitter.com/RisaWechsler/status/813539434893312001 https://twitter.com/mslopatto/status/813785071459139588 Rubin's husband, Robert, was a mathematician ...

  • Looking past Trump, Clinton aims to help other Democrats

    Looking past Trump, Clinton aims to help other Democrats

    Oct 23, 2016 09:14 PM EDT

    ... to do the hard and maybe most important work of healing, healing our country," Clinton said Sunday at Union Baptist Church in Durham, North Carolina. https://www.youtube.com/watch?v=Q21QwT4_yNo For Democrats, there's another reason to try to run up the score. With Trump warning he ...

  • WATCH: Flood relief for Louisiana 'is not a photo-op issue,' says Obama

    WATCH: Flood relief for Louisiana 'is not a photo-op issue,' says Obama

    Aug 23, 2016 12:33 PM EDT

    ... op issue," the president said in a statement to reporters. "I need all Americans to stay focused on this ... I know you will rebuild again." https://www.youtube.com/watch?v=gznpGiDM8ds Obama's visit was a reminder of the political dangers and opportunities that natural disasters can pose. The ...

  • Solar plane leaving U.S. for Europe after yearlong stay

    Solar plane leaving U.S. for Europe after yearlong stay

    Jun 19, 2016 08:38 PM EDT

    ... meters wider than a Boeing 747 and holds 17,248 solar cells that power its propellers and charge its batteries, enabling uninterrupted multi-day flights. https://www.youtube.com/watch?v=JpCkmIGQoYo Video edited by Andi Wang. The pair began their journey across the globe on March 9, 2015, flying ...

  • Can our bodies handle the hyperloop?

    Can our bodies handle the hyperloop?

    May 11, 2016 06:46 PM EDT

    ... merry-go-round. The wildest one engineered by Ames could propel a person at up to 20 Gs or 20 times the normal forces of gravity we experience on Earth. During the early days of the space program, NASA Ames Research Center built a series of centrifuges to test how ...

  • I couldn’t sleep last night, because Scott Kelly came home

    I couldn’t sleep last night, because Scott Kelly came home

    Mar 02, 2016 02:27 PM EDT

    ... urine all day and saliva in the morning. On other days, we might do ultrasound exams,” Kelly recounted a week ago. Life on Earth loves gravity. Our bodies evolved to hunger for gravity. Without it, our bones lose their mass, our muscles wilt and our metabolisms slow. The ultrasounds and ...

  • TVs, radar guns and other technologies linked to Einstein’s theories of relativity

    TVs, radar guns and other technologies linked to Einstein’s theories of relativity

    Nov 25, 2015 10:33 PM EDT

    ... German-born physicist was also thought of as a wantaway father, a civil rights advocate, an antifeminist, a pacifist, an iconoclast and a rock star. https://twitter.com/cenmag/status/669583995550724096 That’s the thing. By hunting for a unified theory of everything, Einstein united our fascinations in theoretical physics ...

  • Why these water droplets behave like trampolines

    Why these water droplets behave like trampolines

    Nov 06, 2015 06:14 PM EDT

    Water is weird. It's essential for life, but too much can wreck your cells. When frozen, it's slippery, but physicists aren't sure why. If you boil water in zero gravity, rather than make bubbles, it creates a mushroom cloud. And when put under certain pressures, water behaves ...

  • 8 things you didn't know about 'Bohemian Rhapsody'

    8 things you didn't know about 'Bohemian Rhapsody'

    Oct 31, 2015 06:04 PM EDT

    Forty years ago, British rock band Queen released “Bohemian Rhapsody”. Here are eight things you might not have known about the epic single.