Vampires get all the attention at this time of year, but bloodthirsty leeches, insects and birds are just as compelling — and they’re real. Leeches feeding on a homemade “blood sausage,” made from cow ...

A broad survey conducted across southern Asia reinforces the idea that the mammal biodiversity of an area can be determined by looking at the DNA found in leeches' blood meals. The new study also ...

Good news: A new species was discovered on the Atlantic Coast. Bad news: It’s a bloodsucking leech that feeds on humans with three jaws and as many as 59 teeth. In a recently published journal, ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. Mark Siddall: Dear Inge, Yes. Stay very very still. They are ...

On July 29, 2008, Mark Siddall answered selected viewer questions about leeches large and small, the best way to remove one from your skin, whether he'd undergo leech therapy himself, and more. Please ...

Scientists have identified mammals present at sites in Asia by examining the DNA in the blood sucked by leeches. They found that the nearly 750 Haemadipsa (blood-sucking) leeches stored the DNA of a ...

Yelena Titova shakes a jar holding a few dozen leeches writhing in slightly murky water. When one of them sinks to the bottom, motionless, she plunges her hand in and retrieves the late bloodsucker.

This election is still a dead heat, according to most polls. In a fight with such wafer-thin margins, we need reporters on the ground talking to the people Trump and Harris are courting. Your support ...

Macrobdella mimicus, the first new species of medicinal leech discovered in over 40 years. (The Smithsonian Institution) Macrobdella mimicus, the first new species of medicinal leech discovered in ...

A backpacker from Scotland recently found that the cause of her frequent nosebleeds was a 3-inch-long (7.5 centimeters) leech living inside her nose. Twenty-four-year-old Daniela Liverani, of ...

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