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Science and Nature

Dog Ticks Are Changing Their Diet. You’re on the Menu

See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.

Dog Ticks Are Changing Their Diet. You’re on the Menu

Season 10 Episode 16 | 4m 28s | CC

Like its name suggests, the brown dog tick dines on dog blood. But as temperatures rise, they're more likely to feast on you, too. That's a problem, because the brown dog tick is a vector for Rocky Mountain spotted fever, a disease that's deadly to both dogs and humans.

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