Column

  1. Cosmology

    A century ago, Alexander Friedmann envisioned the universe’s expansion

    Alexander Friedmann saw that Einstein’s equations predicted multiple cosmic scenarios, including a Big Bang.

    By Tom Siegfried
  2. Science & Society

    Pressure to conform to social norms may explain risky COVID-19 decisions

    As a science reporter covering COVID-19, I knew I should mask up at Disney World. Instead, I conformed, bared my face and got COVID-19.

    By Sujata Gupta
  3. Health & Medicine

    Here’s the latest good and bad news about COVID-19 drugs

    After coronavirus vaccines, antivirals and a monoclonal antibody are the next line of defense, but the treatments may be hard for some people to find.

    By Tina Hesman Saey

  4. A changing climate means changes on the plate

    Editor in chief Nancy Shute discusses the future of food through the lens of climate change.