Uncategorized

  1. Climate

    The new UN climate change report shows there’s no time for denial or delay

    Human-caused climate change is unequivocally behind extreme weather events from heat waves to floods to droughts, a massive new assessment concludes.

    By Carolyn Gramling
  2. Physics

    Colliding photons were spotted making matter. But are the photons ‘real’?

    Smashups of particles of light creating electrons and positrons could demonstrate the physics of Einstein’s equation E=mc2.

    By Emily Conover
  3. Health & Medicine

    Schools are reopening. COVID-19 is still here. What does that mean for kids?

    Children do get COVID-19, and some become very sick and even die. But the disease’s long-term effects on kids remain uncertain.