Uncategorized

  1. Parasite Pursuit: Sand fly coughs up leishmania protozoan’s secrets of proliferation

    A parasite spread by the sand fly secretes gel into the throat of the fly, which then regurgitates it when it bites a person, spreading the infection.

    By Nathan Seppa
  2. Ecosystems

    Deep-Sea Cukes Can’t Avoid the Weather: El Niño changes life 2.5 miles down

    A 14-year study of a spot 2.5 miles underwater off the California coast shows short-term links between surface events and an abundance of deep-water creatures.

    By Susan Milius
  3. Earth

    Quick Bite: Some gorges carved surprisingly fast

    Analyses of rock samples from two river gorges along the Atlantic seaboard suggest that the largest parts of those chasms were carved during a geologically short period at the height of the last ice age.