Uncategorized

  1. Earth

    Machine learning helped demystify a California earthquake swarm

    Computer algorithms helped scientists find that circulating groundwater probably triggered a four-year-long series of tiny quakes in Southern California.

    By Carolyn Gramling
  2. Health & Medicine

    COVID-19 case clusters offer lessons and warnings for reopening

    As restaurants, offices and other businesses open, trends in where and how COVID-19 transmission is happening could help guide re-entry strategies.

    By Helen Thompson
  3. Space

    Black hole plasma jets are shaped like bell-bottoms

    Jets of high-energy particles change from slightly curved sides to flared cones as they shoot away from galaxies, just like flare-legged pants.

    By Lisa Grossman
  4. Particle Physics

    An unexpected result from a dark matter experiment may signal new particles

    An excess of events spotted in the XENON1T experiment could be signs of solar axions or weird, new properties of neutrinos, but not dark matter itself.