SciShow
Do These 7 Supplements ACTUALLY Work?
In your travels on the Internet, you might've seen some strange names and even stranger claims about supplements. From ashwagandha to valerian root, l-lysine to vitamin D, here's just a few of the most hyped supplements and whether or...
SciShow
Do Redheads Feel Less Pain?
You may have heard that redheads need less pain medicine, or that they need more anesthesia in surgeries. And both of those things are true! Which is weird. Let's talk about some of the stuff we know about what the heck hair color has to...
SciShow
Your Gorgeous Hair Evolved From Frog Toes
Frogs aren't known for their fabulous manes, but the claws of frogs are helping us learn why humans have hair -- thanks to a homeobox gene and a weird evolutionary shift. Hosted by: Hank Green (he/him)
TED-Ed
This is the most common way to get head lice | Nazzy Pakpour
For as long as humans have had lice, we’ve fought hard to get rid of them. Nit combs, the fine-tooth brushes used to remove lice and their sticky eggs, have been found among the ancient remains of cultures across the globe. Today it’s...
TED-Ed
TED-Ed: Are there any places on Earth with no bugs? | Charles Wallace
Insects are the world’s most numerous and diverse animals. Even where you’d least expect them in some of Earth’s most extreme environments, there they are. From a scalding volcano, parched desert, to a frigid glacier, insects are living...
TED-Ed
TED-Ed: Why did people wear powdered wigs? | Stephanie Honchell Smith
Wigs date at least as far back as ancient Egypt, where well-regarded hairdressers crafted them into intricate styles. And under certain ancient Roman dynasties, women’s wigs became particularly ornate. Yet it wasn’t until Louis XIII...
TED Talks
TED: 3 rules to help you build a successful business | Julissa Prado
Have an idea you're yearning to turn into a business? Julissa Prado, founder and CEO of Rizos Curls, explains how she was inspired by the Latino and immigrant communities she grew up in -- and shares 3 principles that guide her in her work.
SciShow
I Had Chemo and My Hair Came Back Curly!
Many patients experience changes to hair texture after chemotherapy known as "chemo curls." But why do they happen, and how many people get chemo curls? This episode will explain.
SciShow
New Oil Spill Clean Up Method, Guess What?
There are many conventional ways to treat oil spills, both at sea and on land, but some of the strangest include human hair and chicken manure.
TED Talks
TED: Wild, intricate sculptures — made out of my hair | Laetitia Ky
Artist Laetitia Ky has a unique medium: using the hair on her head (and some wire), she creates incredible sculptures of objects, animals, people and more, promoting messages of bodily autonomy and self-acceptance. She shares how she...
SciShow
Why Can’t We Have Unicorns?
Unicorns may be mythical creatures, but they're very plausible-seeming ones. So why hasn't evolution gifted us with magical horses with horns? Let's take a look at the genetics and developmental biology of headgear in ruminants and other...
SciShow Kids
What On Earth is a Platypus? | SciShow Kids
Platypuses are so funny, it looks like someone made them up as a joke. But they're real animals! Join Jessi and Squeaks to learn about how amazing platypuses really are! Teachers and parents: scroll down to check out the Next Generation...
SciShow Kids
Meet the Marsupials! | SciShow Kids
Squeaks and Jessi have been having fun learning all about Australia. Squeaks wants to know more about marsupials, the special group of animals that lives almost nowhere else. So Jessi introduces him to a special friend: Pinto the...
SciShow
Why Hairworms Don’t Have Hair
Hairworms, sometimes called horsehair or Gordian worms, are mind-controlling parasites with a twist. A genetic study found these nematomorph worms are missing 30% of their genome, and we don't understand how they live without genes for...
PBS
When the Synapsids Struck Back
Synapsids were the world’s first-ever terrestrial megafauna but the vast majority of these giants were doomed to extinction. However some lived on, keeping a low profile among the dinosaurs. And now our world is the way it is because of...
PBS
How Humans Lost Their Fur
We’re the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature, and ultimately, it helped shape the evolution of our...
PBS
The Traits That Spawned the Age of Mammals
Lots of the traits we think of as defining us as mammals show up pretty early, during the time of the dinosaurs. And, in some cases, they show up a lot earlier and in things that weren’t mammals at all.
TED-Ed
TED-Ed: Why is it so hard to break a bad habit? | TED-Ed
Many people deal with a nail-biting habit at some point in their lives. Some will go to great lengths to try to stop, employing strategies like dipping their hands in salt or wearing gloves. And while not all of us are nail-biters, most...
SciShow
Can Gray Hair Be Reversed?
Researchers have identified the processes that cause gray hair and have done experiments to reverse it. And believe it or not, we've had some of these options for decades.
SciShow
The Truth About Gingers
There are many names for them, but here at SciShow we lovingly refer to them as 'Gingers'. In this episode, Hank explains what gene is responsible for the creation of redheads.
SciShow
Could a Shirt Hear Your Heartbeat? | SciShow News
Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...
SciShow
Cougar Stress: SciShow Talk Show
Lara Brenner talks about her research on how stressed cougars are and how the public views them. Then Jessi from Animal Wonders joins the show with Seraphina the red fox!
SciShow
Would You Like To Look at a Sample of Hair? | SciShow Patreon Bloopers
Today’s video is a bit different from the usual because we wanted to show off the goofier side of the SciShow hosts.
SciShow
Why Don’t Spiders Stick to Their Webs?
Spiderwebs are designed to trap bug-sized creatures. So how come spiders don’t get stuck?