Name: How Lice Turn Your Hair Into Their Jungle Gym | Deep Look
Uploaded: 2020-07-02T21:01:20.000Z
Duration: 3 min 46 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

Thanks to millions of years of evolution, these suckers are not easy to get rid of.

You might end up in a salon, but not the kind for haircuts.

Young lice are so small they're almost impossible to see with the naked eye.

Their claws, called tarsal claws, and this little part, called a spine.

They've evolved to fit perfectly around a human hair.

They make lice into speedy little acrobats, using our hair like a tightrope.

They can't jump or fly, but they get around.

Say two kids, one blonde, one brunette, touch heads.

It's been one long game of hopscotch, from human head to human head.

Our head lice can't live on other animals.

In fact, other primates have their own species of lice, adapted to their unique hair.

And birds have lice that hide in their feathers.

Common insecticides won't kill our head lice anymore.

Even their eggs have serious staying power, glued to individual strands of hair.

They can't survive away from our moist, warm scalp.

Head lice cannot even live on other hairy parts of our body.

So if you, or a professional, painstakingly comb them out, they'll starve, and die within hours.

But it's just a temporary encounter with a tiny hitchhiker that is biologically destined just for you.

Here at Deep Look we think all critters, even the less lovable ones, like mosquitoes and ticks, deserve their moment in the spotlight.

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How Lice Turn Your Hair Into Their Jungle Gym | Deep Look

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