Doctors grabbed the leech with forceps and carefully removed the animal, now nearly 4 inches long after feeding on the man’s blood supply for at least a week, according to the report.

“Scientists searching leech guts to unravel which animals they’ve fed on may interpret their findings differently if the ...

But leeches aren’t just useful at crime scenes. These creatures’ sanguineous appetites have also come in handy for scientists, who are hoping to use them to solve another mystery: the diversity of ...

11). Whether the leech’s airborne escapade counts as a jump may puzzle scientists for centuries to come. Tardigrades are famously resilient. The minuscule animals can withstand blasts of X-rays ...