News

  1. Health & Medicine

    1 in 4 U.S. high school seniors has vaped recently — up 4.5 percentage points from 2018

    A 2019 survey finds the number of high school and middle school students who report using e-cigarettes recently continues to grow.

    By Aimee Cunningham
  2. Physics

    A new experiment slashes the maximum possible mass of tiny neutrinos

    The KATRIN experiment suggests that the tiny subatomic particles have masses a minuscule fraction of an electron’s.

    By Emily Conover
  3. Climate

    Expanding ice slabs are increasing Greenland’s contribution to sea level rise

    Since 2001, melting and refreezing have created vast ice layers near the surface that could drastically amp up meltwater runoff and sea level rise.