Fleas

Plague still exists—but what threat does it pose to humans today?

Plague still exists—but what threat does it pose to humans today?

Plague still exists—but what threat does it pose to humans today?

A quiet plague outbreak has been killing Yellowstone’s cougars for years

A quiet plague outbreak has been killing Yellowstone’s cougars for years

A quiet plague outbreak has been killing Yellowstone’s cougars for years

Maybe Rats Aren't to Blame for the Black Death

Maybe Rats Aren't to Blame for the Black Death

Maybe Rats Aren't to Blame for the Black Death

Mysterious Flesh-Eating Sea Creature Causes Shocking Injury

Mysterious Flesh-Eating Sea Creature Causes Shocking Injury

Mysterious Flesh-Eating Sea Creature Causes Shocking Injury

Fleas Hitch Ride on Earwigs to Suck Bat Blood

Fleas Hitch Ride on Earwigs to Suck Bat Blood

Fleas Hitch Ride on Earwigs to Suck Bat Blood

How Do Fleas Jump? New Video Solves Mystery

How Do Fleas Jump? New Video Solves Mystery

How Do Fleas Jump? New Video Solves Mystery

It was no small task, but researchers have used high-speed video to solve how the insects jump—by taking off from their toes.

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