SciShow
Why Don’t Humans Have Whiskers?
You might have a beard, or a mustache, or even a soul patch. What you don't have are whiskers.
TED Talks
TED: The smelly mystery of the human pheromone | Tristram Wyatt
Do our smells make us sexy? Popular science suggests yes — pheromones send chemical signals about sex and attraction from our armpits to potential mates. But, despite what you might have heard, there is no conclusive research confirming...
TED Talks
Julia Sweeney: Letting go of God
When two young Mormon missionaries knock on Julia Sweeney's door one day, it touches off a quest to completely rethink her own beliefs, in this excerpt from Sweeney's solo show "Letting Go of God."
TED Talks
Iain Hutchison: Saving faces: A facial surgeon's craft
Maxillofacial surgeon Iain Hutchison works with people whose faces have been severely disfigured. By pushing to improve surgical techniques, he helps to improve their lives; and by commissioning their portraits, he celebrates their...
SciShow
SciShow Quiz Show: Weird Animal Parenting
How do adult strawberry poison frogs pass on toxins to their tadpoles? What happens when scientists add iodine to axolotl tanks? Find out, as our How To Adult hosts Rachel Calderon-Navarro, Project Manager at DFTBA, and Hank Green face...
TED Talks
Nicaila Matthews Okome: This is the side hustle revolution
Past generations found a company to work for and then stayed there for decades. But today, we rarely stay in the same job (let alone on the same career path) and we don't rely on a single income stream. The tools and resources are out...
SciShow
Earwax, Butt Hair, and Other Weird Human Attributes
You can probably tell someone the purpose of most of your body parts. But what about earwax? Or your appendix? If you’re looking for those answers, or wondering why you have a butt, pop a squat to find out about weird human attributes.
Amoeba Sisters
Monohybrids and the Punnett Square Guinea Pigs
Learn how to use a Punnett square to solve a Mendelian monohybrid cross with one of the Amoeba Sister's favorite classroom pets: hairless guinea pigs.
TED Talks
Dan Ariely: Beware conflicts of interest
In this short talk, psychologist Dan Ariely tells two personal stories that explore scientific conflict of interest: How the pursuit of knowledge and insight can be affected, consciously or not, by shortsighted personal goals. When we're...
SciShow
Why Can't I Get Rid of This Cowlick?
You or someone you know may have struggled to get a cowlick to just stay down already, but you can take solace in the fact that these inconvenient hair tufts have a lot to teach us about the world around us.
TED Talks
Andy Puddicombe: All it takes is 10 mindful minutes
When is the last time you did absolutely nothing for 10 whole minutes? Not texting, talking or even thinking? Mindfulness expert Andy Puddicombe describes the transformative power of doing just that: Refreshing your mind for 10 minutes a...
Amoeba Sisters
Dihybrid and Two-Trait Crosses
This video will show how to set up and solve everyone's favorite 16 square Punnett square.
TED Talks
TED: The beauty of human skin in every color | Angelica Dass
Angelica Dass's photography challenges how we think about skin color and ethnic identity. In this personal talk, hear about the inspiration behind her portrait project, Human_, and her pursuit to document humanity's true colors rather...
SciShow Kids
Why Does Hair Turn Gray?
Hair can be so many different colors, but why do so many adults have gray hair?
SciShow
When Winter Gives Dead Branches Hair
What is this strange looking stuff? Is this branch just covered in fungus!? Well, it’s not fungus...but fungus DOES have something to do with it!
Crash Course
The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P
Today Hank wraps up this look at your integumentary system and all the hard work it does protecting you from and helping you interact with the world around you. -- Table of Contents: Protects Your Body 1:25 Senses the Outside World 1:42...
SciShow
World's Most Asked Questions How Do I Grow a Beard
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How do I grow a beard?”? Let SciShow explain.
SciShow
World's Most Asked Questions Ten of YOUR Most Asked Questions!
SciShow answers ten of the most asked questions by YOU, our viewers, in the past month -- from “What is new car smell?” to “What would happen if you drilled a hole through the planet?”
SciShow
5 Things Your Hair Can Tell You About Your Health
Your hair isn't just something you have to deal with every morning, it's a part of who you are, and there are things it can tell you about your personal health. Chapters DANDRUFF 0:52 2 GENERAL HAIR LOSS 4:11 PATCHY HAIR LOSS 4:29...
Be Smart
How Science Defines A Year
It's been one (tropical/sidereal/anomalous) year since I uploaded the very first It's Okay To Be Smart. Here's everything that's happened since!
SciShow
Are Blue Eyes Endangered?
SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren't really blue! SciShow explains!
SciShow
What Makes Your Hair Curl
We all have really different looking locks but what actually make our hair straight or curly?
SciShow Kids
Why Don’t Haircuts Hurt?
Jessi is getting a haircut later, but what makes it so that your hair doesn't hurt when you go to get it cut?
TED-Ed
TED-Ed: The case against "good" and "bad" - Marlee Neel
Don't take the easy route! Instead, use this little trick to improve your writing -- let go of the words "good" and "bad," and push yourself to illustrate, elucidate and illuminate your world with language.