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

Thanks to 23AndMe for supporting SciShow. These kits make great gifts, so check out How much genetic diversity would we need to found a colony on another planet? Hosted by: Stefan Chin We're conducting

We can all appreciate pretty shiny things, but what makes them shiny? We're conducting a survey of our viewers! If you have time, please give us feedback Hosted By: Stefan Chin Dooblydoo thanks go to the

Soil ecologist Dr. Ylva Lekberg explains the connection between microscopic fungi and invasive plants, and Jessi from Animal Wonders introduces us to Sydney the woylie! More from Ylva Lekberg: Meet all

Last week, the opioid epidemic was declared a ‘public health emergency’ in the United States, but what are opioids, and why is the way they interact with the human brain potentially so dangerous? We're

For millennia, we mostly had to make do with natural pigments and dyes, but in the last 300 years or so, chemical synthesis has revolutionized the colors of our world. We're conducting a survey of our

Here at SciShow we love digging into the subject of dinosaurs! Join Blake de Pastino, co-host and co-creator of the new series PBS Eons, as he takes you into the deep past for a few of our favorite dinosaur

You’ve heard of vampires (pale, undead, sometimes sparkly), but did you know some of these myths have basis in scientific fact? We're conducting a survey of our viewers! If you have time, please give us