Uncategorized

  1. Health & Medicine

    New clues emerge on how foods spark anaphylaxis

    In two studies of mice, a molecule called leukotriene helped trigger food-induced anaphylaxis. A drug approved for asthma — zileuton — diminished it.

    By Laura Sanders
  2. Planetary Science

    A giant planet may orbit our closest sunlike neighbor

    Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.

    By McKenzie Prillaman
  3. Archaeology

    This ancient Siberian ice mummy had a talented tattooist

    Researchers reconstructed a roughly 2,000-year-old woman’s tattoos, from prowling tigers to a fantastical griffinlike creature.

    By Celina Zhao
  4. Archaeology

    7 stone tools might rewrite the timeline of hominid migration in Indonesia 

    Excavated implements suggest a Homo species arrived on Sulawesi over 1 million years ago, before a nearby island hosted hobbit ancestors.