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Yep, you have mites living on your face. And in this episode of Gross Science, Anna Rothschild explains how they're eating, laying eggs, dying, and leaking feces. On your face. But don't worry because we've known this since 1841 and it appears to be completely normal?

Why do we smell different when we're sick? Why does cheese smell like feet? Why don't vultures get sick from eating rotting meat? Science is filled with stories: some of them are beautiful and some of them are gross. Really gross. Gross Science, a YouTube series hosted by Anna Rothschild, tells bizarre stories from the slimy, smelly, creepy world of science. In this collection, you'll find original short-form videos and DIY experiments from Gross Science, which is produced by NOVA and PBS Digital Studios. Learn about amphibians that eat their mother's skin, strange uses for bacon, how poop can be used to cure an infection, and more gross science topics.

How does it spread? The Varroa mite carries the disease, feeding on bee larvae, then the virus itself kills off the bees. The study's lead author, Dr. Lena Wilfert, of the University of Exeter's Centre for Ecology and Conservation, said they found evidence that human involvement has played a key role in the epidemic.

Want to know how much bacteria we host within our body and how many we encounter on a daily basis well check out this clip from Life On Us where we will see the different types of bacteria that inhabit us like Demodex Folliculorum which is a face mite...

Behold the microscopic jungle in and around you: tiny organisms living on your cheeks, under your sofa and in the soil in your backyard. We have an adversarial relationship with these microbes -- we sanitize, exterminate and disinfect them -- but according to microbiologist Anne Madden, they're sources of new technologies and medicines waiting to be discovered. These microscopic alchemists aren't gross, Madden says -- they're the future.