Uncategorized

  1. Physics

    A new experiment hints at how hot water can freeze faster than cold

    A study of tiny glass beads suggests that the Mpemba effect is real.

    By Emily Conover
  2. Climate

    Emissions dropped during the COVID-19 pandemic. The climate impact won’t last

    New estimates suggest coronavirus shutdowns cut global carbon dioxide emissions from fossil fuels by nearly 30 percent, on average.

    By Jonathan Lambert
  3. Health & Medicine

    Rogue immune system reactions hint at an early treatment for COVID-19

    A comprehensive look at the immune system shows multiple ways it misfires in COVID-19. Treating with interferon early might prevent trouble later.

    By Tina Hesman Saey
  4. Planetary Science

    Jupiter’s moons could keep each other warm by raising tidal waves

    Along with gravity from the enormous planet, tidal forces between Jupiter’s moons could generate a surprising amount of heat.