Biologists Use Blood-Sucking Leeches to Log Biodiversity
[html]Researchers measure biodiversity in conservation projects through the blood meals of leeches.[/html]
Source: Biologists Use Blood-Sucking Leeches to Log Biodiversity (http://ht**://www.discovermagazine.c**/planet-earth/biologists-use-blood-sucking-leeches-to-log-biodiversity)
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