Leeches might seem like relics of a bygone age of medicine, but they haven’t outlived their usefulness to people yet. The freshwater leech Helobdella austinensis can eat its weight in snails every day ...

WALKER, Minn. — Minnesota's third-largest lake has a namesake only an angler could love: the leech. Earthworm's ugly aquatic cousin. Those slimy, crawly creatures straight out of a horror film. But ...

Combining, among other things, suction cups and shower hoses, robotics researchers have created a flexible-bodied wall-climbing robot said to be inspired by one of nature's congenital suckers: the ...