Ken Grewe plunges his hand into the bottom of a small, black plastic bag - as if he were searching for remaining treats in a sack of candy. What Grewe is seeking is anything but sweet. Like he has for ...

Since the dawn of civilization, leeches have been firmly attached to medicine. Therapeutic bloodsuckers are seen in murals decorating the tombs of 18 th dynasty Egyptian pharaohs. They got their ...

White men can’t jump, but terrestrial leeches can. This is now a scientific fact; after centuries of anecdotal reports, the parasites have been caught on video leaping from leaves in the Madagascan ...