Uncategorized

  1. Ecosystems

    Insects, pollen, seeds travel wildlife corridors

    Strips of habitat boost insect movement, plant pollination, and seed dispersal among patches of the same ecosystem.

    By Susan Milius
  2. Paleontology

    Trackway site shows dinosaur on the go

    Scientists say that a sediment-filled, bathtub-shape depression found at one of North America's most significant dinosaur trackway sites is the first recognized evidence of urination in dinosaurs.

    By Sid Perkins
  3. Paleontology

    Curved claws hint at pterosaur habits

    A study of the claws of flying reptiles known as pterosaurs suggests that some of the creatures may have walked like present-day herons and used their wing fingers to hold prey.

    By Sid Perkins
  4. Paleontology

    Mosasaurs were born at sea, not in safe harbors

    Newly discovered fossils of prehistoric aquatic reptiles known as mosasaurs suggest that the creatures gave birth in midocean rather than in near-shore sanctuaries as previously suspected.