Uncategorized

  1. Animals

    This lizard can tolerate extreme levels of lead

    Cuban brown anoles have the highest blood lead levels of any vertebrate known — three times that of the previous record holder, the Nile crocodile.

    By Meghan Rosen
  2. Planetary Science

    A Mars rock analysis tool proved its mettle on a chance find from Arizona

    On Mars, the Perseverance rover found a spotted rock that could bear signs of ancient life. On Earth, a researcher used a lookalike for a dry run.

    By McKenzie Prillaman
  3. Health & Medicine

    A cold today helps keep the COVID away

    A recent cold appears to be a defense against COVID-19 and a partial explanation for kids’ tendency toward milder coronavirus infections.