Uncategorized

  1. Physics

    A tiny, levitated glass sphere behaves like the hottest engine ever made

    At an effective temperature of 13 million kelvins, the jiggling glass sphere could help scientists understand physics at the microscale.

    By Emily Conover
  2. Health & Medicine

    COVID-related smell loss may last years

    Using a scratch-and-sniff test, researchers discovered that smell loss after COVID-19 may linger for more than two years.

    By Meghan Rosen
  3. Animals

    Guppies fall for a classic optical illusion. Doves, usually, do too

    Comparing animals’ susceptibility to optical illusions can show how perception evolved.

    By Sujata Gupta
  4. Health & Medicine

    Even for elite athletes, the body’s metabolism has its limits

    While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5