Uncategorized

  1. Health & Medicine

    Marijuana and meth are getting more popular in America, but cocaine has declined

    In 2006, drug users spent more on cocaine than on heroin, marijuana or methamphetamine. By 2016, marijuana expenditures had exceeded the other drugs.

    By Carolyn Wilke
  2. Science & Society

    ‘End Times’ explores the catastrophic events that could kill us all

    A new book looks at the threats that could wipe out humankind and what can be done to counteract them.

    By Kyle Plantz
  3. Space

    For an asteroid, Ryugu has surprisingly little dust on its surface

    Ryugu lacks the dust that some other space rocks have. The near-Earth asteroid may hide the fine debris inside porous rocks or eject it into space.