Their tissue decomposes almost immediately, and their boneless bodies rarely fossilize. But a geological formation in ...
Leeches are some of the most hated creatures in the world, even though most people rarely (if ever) see one. We even use the ...
Meet the leech, the misunderstood hero of aquatic ecosystems all over the world, who does not always suck blood!
How do leeches find their hosts? We explore how leeches sense heat, chemicals, and movements in their environments.
Scientists have also long thought that the earliest leeches were bloodsuckers. All modern leeches, including species that do ...
Scientists found a 430-million-year-old leech fossil, Macromyzon siluricus. It shows leeches first lived in oceans and did ...
A 430-million-year-old fossil has rewritten leech history, showing they are at least 200 million years older than previously ...