News

  1. Paleontology

    New fossil sheds light on dinosaurs’ diet

    Vestiges of soft tissue preserved in a 70-million-year-old Mongolian fossil suggest that some dinosaurs could have strained small bits of food from the water and mud of streams and ponds, just like some modern aquatic birds do.

    By Sid Perkins
  2. Health & Medicine

    Insulin lowers more than blood sugar

    Insulin may reduce inflammation and protect the heart.

    By John Travis
  3. Health & Medicine

    Healing the heart from within

    An unusual mouse strain can regenerate heart tissue when the organ is damaged.

    By John Travis
  4. Health & Medicine

    Stem cell research marches on

    Cells from human embryos can be transformed into heart cells or insulin-secreting cells.