Uncategorized

  1. Astronomy

    The earliest evidence of the first stars may lie in a distant gas clump

    James Webb data reveal pristine gas irradiated by energetic light some 450 million years after the Big Bang — a sign it may house primordial stars.

    By Mara Johnson-Groh
  2. Genetics

    Ancient DNA tests the notion that allergies are due to our dirtier past

    An analysis of ancient DNA and modern disease risk suggests some immune genes may reduce allergy risk rather than increase it.

    By Elie Dolgin
  3. Physics

    The secret to perfect espresso? It’s physics

    Inspired by gas and liquid flow in earth science, researchers brewed an equation to calculate the speed of water percolation through ground coffee.