SciShow
Why Does the Cold Make You Pee?
Not everyone gets a winter as cold (or at the same time) as we do at SciShow, but no matter where you live, you may have wondered why venturing out into the cold often makes you have to pee more often.
TED Talks
TED: Lifesaving scientific tools made of paper | Manu Prakash
Inventor Manu Prakash turns everyday materials into powerful scientific devices, from paper microscopes to a clever new mosquito tracker. From the TED Fellows stage, he demos Paperfuge, a hand-powered centrifuge inspired by a spinning...
SciShow
Why Do Bruises Change Colors?
What happens in your body after you get a bruise? Quick Questions explains!
TED-Ed
TED-Ed: Vampires: Folklore, fantasy and fact - Michael Molina
The myth of the bloodsucking vampire has stalked humans from ancient Mesopotamia to 18th-century Eastern Europe, but it has differed in the terrifying details. So, how did we arrive at the popular image we know, love and fear today? And...
SciShow
Vampires: The Science Behind the Myth
You've heard of vampires (pale, undead, sometimes sparkly), but did you know some of these myths have basis in scientific fact?
TED Talks
Bahia Shehab: A thousand times no
Art historian Bahia Shehab has long been fascinated with the Arabic script for 'no.' When revolution swept through Egypt in 2011, she began spraying the image in the streets saying no to dictators, no to military rule and no to violence.
TED-Ed
TED-ED: Why do we harvest horseshoe crab blood? - Elizabeth Cox
During the warmer months, especially at night during the full moon, horseshoe crabs emerge from the sea to spawn. Waiting for them are teams of lab workers, who capture the horseshoe crabs by the hundreds of thousands, take them to labs,...
TED-Ed
TED-ED: The science of stage fright (and how to overcome it) - Mikael Cho
Heart racing, palms sweating, labored breathing? No, you're not having a heart attack -- it's stage fright! If speaking in public makes you feel like you're fighting for your life, you're not alone. But the better you understand your...
SciShow
Starfish Eyes, Octopus Blood, and Human Evolution in Action
You're probably aware that nature has come up with some pretty fascinating animal adaptations over the millennia, and in general, the stranger the adaptation, the more important it is to that organism. Today on SciShow News, Hank has...
SciShow
We Can't Live Without You | Synanthropic Animals
From the spider in the corner of your house, to the moths in your attic, synanthropic species don't just live among us, they literally depend on us to live. Chapters View all synanthropic species 0:34 1 COMMON HOUSE SPIDERS 2:14 PURPLE...
SciShow
Why Do Bug Bites Itch?
Hank explores a vexing question asked at picnics and beach parties everywhere: Why do bug bites itch? To help you understand the answer, he takes you into the blow by blow of a bug bite which, we warn you, is pretty horrifying.
SciShow
10 Surprising Chemicals Your Body Makes
Everything is made of chemicals, including the human body, but there are some especially weird ones
SciShow Kids
Why Is My Leg Asleep?
Have you ever been sitting down for a long time and had your legs fall asleep? It feels really weird and can make it hard to walk for a little while! So what makes your legs fall asleep, and why does it feel all prickly when they start...
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!
Crash Course
Biomedicine: Crash Course History of Science
The history of science up until the Cold War is often overshadowed by the Manhattan Project. But, today we are going to talk about advances in biomedicine, or healthcare based on a biological understanding of human bodies and diseases.
SciShow Kids
Salt’s Secret Powers!
From pancakes to ice cream, salt goes in so many things to make them taste better! But what is it and where does it come from?
MinuteEarth
Why Is Poop Brown And Pee Yellow?
The pigments in our food all get destroyed on their way through our digestive system...so where do the colours of our poop and pee come from?
SciShow
What Causes Pins and Needles?
Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit.
TED Talks
TED: The virginity fraud | Nina Dolvik Brochmann and ellen Stokken Dahl
The hymen is still the most misunderstood part of the female body. Nina Dolvik Brochmann and ellen Stokken Dahl share their mission to empower young people through better sex education, debunking the popular (and harmful) myths we're...
SciShow
Dinosaurs Had a Bloodsucking Enemy
This week, scientists revealed a sample of amber containing an extinct tick that fed on dinosaurs. Unfortunately, we can't take a blood sample from it and make Jurassic Park a reality, but it can still tell us a lot about how dinosaurs...
SciShow
What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn't know what to do with itself.
TED-Ed
TED-Ed: Why are sharks so awesome? - Tierney Thys
Sharks have been celebrated as powerful gods by some native cultures. And today, sharks are recognized as apex predators of the world's ocean. What is it that makes these fish worthy of our ancient legends and so successful in the seas?...
Be Smart
Venomous Creatures: The Evolution and Impact of Animal Venoms
Venom comes in all different types, so here's everything you'll ever need to know.
SciShow
Why Does My Face Turn Red When I'm Angry?
Have you ever wondered why your face turns red when you’re angry? Check out this SciShow Quick Question to learn why!