Uncategorized

  1. Climate

    Dueling dates for a huge eruption reignite the debate over dinosaurs’ death

    New dating techniques for the Deccan Traps volcanic eruptions disagree on whether they were the main culprit in the dinosaurs’ demise.

    By Carolyn Gramling
  2. Paleontology

    A deer-sized T. rex ancestor shows how fast tyrannosaurs became giants

    A newly found dinosaur called Moros intrepidus fills a hole in the evolutionary history of tyrannosaurs, helping narrow when the group sized up.

    By Jeremy Rehm
  3. Chemistry

    Why kids may be at risk from vinyl floors and fire-resistant couches

    Children from homes with all vinyl floors and flame-retardant sofas show higher levels of some synthetic chemicals in their bodies than other kids.