Phillips discovered the new leech species in the field, then found specimens in her museum's collections dating back to 1937. If biologists had discovered the "medicinal" leech Macrobdella mimicus 200 ...

Millions of slimy leeches swim all around us — in our lakes and our bays — and some of the biggest ones are in our oceans. But before you vow never to set foot in the water again, rest assured that ...