SciShow is supported by Brilliant.org. Go to to get 20% off of an annual Premium subscription. When we hear the term symbiosis, we tend to think about a simple partnership between two biological organisms.

According to the math, washing machines should take several hours to get your clothes clean, but in reality it only takes a single hour or less. Now, scientists have finally figured out how they truly

Large clumps of wasps can occasionally be found on the tops of tall structures, and although you probably still don’t want to mess with them, these aren’t angry swarms—they’re actually super chill parties.

Snakes aren’t just muscle-y danger noodles. They're extremely diverse, and some have really weird, unique adaptations that we could all probably appreciate a little more. Hosted by: Hank Green SciShow

Go to to try their Beautiful Geometry course. The first 200 subscribers get 20% off an annual Premium subscription. Warning! This episode is a little gross… Between 1/3 and 1/2 of all life on earth is

  3 Things Fish Shouldn't Be Able to Do  When you think of animals with awesome abilities, fish usually aren’t  the first thing that come to mind, but there are a few species that have

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Thanks to 23AndMe for supporting SciShow. These kits make great gifts, so check out Do larger creatures get cancer more frequently? We're conducting a survey of our viewers! If you have time, please give

Sea creatures abound this week, as scientists make discoveries about scallop eyes and use models to help figure out the age old mystery, "Which came first, comb jellies or the sea sponge?” We're

This week on SciShow Talk Show, Dr. Lindsey Doe sexplains to Hank some of the difficulties in conducting sex research and discusses the past leaders of the field. Later, Jessi from Animal Wonders drops

Pipes can freeze in the winter, but you never hear about fire hydrants freezing. What makes them safe from the cold temperatures in winter time? We're conducting a survey of our viewers! If you have time,

Luckily, we live in a time where we don't have to worry about smallpox anymore. It's a horrible disease, but through smart vaccination techniques, we took it from killing millions worldwide, to being

You may have read that 2018 is looking to be a bad year for earthquakes, but Hank is here to offer you some assurances. Check out SciShowFinds for some cool things: We're conducting a survey of our viewers!

Curious why you can't donate platelets after taking aspirin? Wonder no more! We're conducting a survey of our viewers! If you have time, please give us feedback Hosted By: Hank Green Dooblydoo thanks go

In the first video in our two part series on HIV and AIDS, we explain how scientists figured out what HIV is, when the infection morphs into AIDS, and where they think the virus originated. We're conducting

Every year the moon’s orbit gets a little bigger and it moves just a little farther away. Should we worry about the Moon breaking free? We're conducting a survey of our viewers! If you have time, please

We talk a lot about CRISPR and "designer babies" but the science of editing genes is varied and complex. This month, an adult man received billions of gene-editing viruses via an IV in an effort

Can your grandma really tell when a storm is coming based on her knee? Scientists have been looking into this tale for years, and either way, you should probably still call her just because. We're conducting

The American Society of Clinical Oncology recently released an official statement about alcohol and cancer, but the information isn't as extreme as some headlines would imply. Also, scientists at Duke

Over the years, scientists have made a lot of predictions about how Earth's climate is changing, but they don't just pull those predictions from thin air. We're conducting a survey of our viewers! If you