even though these animals feed exclusively on it, blood alone is not able to sustain them; it lacks certain essential amino acids and vitamins. To make up for this deficit, bloodsucking leeches ...

“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 ...