SciShow Kids
Senses You Didn’t Know You Have | SciShow Kids
New ReviewSqueaks is heading on a trip around the world! He's going to experience so many things, using senses he didn't even know he (or his human friend Jessi) has! In this episode, he learns about senses beyond the common 5 (sight, hearing,...
TED Talks
The emerging science of finding critical metals | Mfikeyi Makayi
New ReviewYour smartphone, computer and electric car all depend on one thing — critical minerals buried deep underground. But there’s a catch: the mining industry has gotten dramatically worse at discovering new deposits just when we need them...
Crash Course
Galahad, Perceval, and the Holy Grail: Crash Course World Mythology
New ReviewIn which Mike Rugnetta quests for knowledge of the Holy Grail of Mythology. Which is the actual, literal Holy Grail! The cup of Christ! Legends about the Holy Grail are often connected to the British legends of King Arthur, and this...
PBS
When Did We Stop Being Naked?
New ReviewOf course, the ancient Egyptians were probably not the first people to ever wear clothing, but we haven’t found any clothes older than the Tarkhan Dress. So how can we figure out when we first started wearing clothes? Well, it turns out...
Be Smart
The Truth About Butterfly Metamorphosis (It's Very Weird)
New ReviewDoes any other creature on Earth undergo a life transformation as dramatic as the butterfly? I think not. Unfortunately, children's books about very hungry caterpillars skip all the COOL and WEIRD and GROSS stuff that happens along the...
Be Smart
Why Don’t Humans Hibernate?
New ReviewNature has had to come up with some crazy ways to survive harsh winters. But none are weirder than hibernation. Turns out there is more than one kind of hibernation, and studying all these ways that life slows down in the cold might help...
Be Smart
Why Useless Knowledge Can Be So Useful
New ReviewOur lizard friend the Gila monster probably has no idea that a chemical in its spit inspired one of the most important medical advancements of the 21st century. But this story is really about something bigger. Something deeper, beneath...
SciShow
5 Bad Health Science Takes
Does eating soy make you more feminine? Is sunscreen actually bad for you? (No.) Here are five bad takes about human health, and the real truth behind them. Hosted by: Stefan Chin (he/him)
SciShow
The Artificial Sweetener That's Actually Good For You
You may have heard some pretty bold claims about xylitol, a sugar substitute that's in a lot of things. And while it's definitely bad for dogs, it's great for people, and there's a lot of research out there about some surprising ways...
SciShow
Is Morning Sickness Actually Preventable?
Nausea and vomiting of pregnancy, better known as morning sickness, affects roughly 7 in 10 pregnant people. Scientists have spent decades hunting for the primary cause, and they seem to have finally found it: a hormone called GDF15....
SciShow
This Anti-Aging Supplement Might Actually Work
If you've wandered down a supplement aisle recently, you may have come across a bottle for sale that has "anti-aging" ingredients to help your body make a molecule called NAD+, better known as nicotinamide adenine dinucleotide. Your body...
SciShow
The Octopuses Are Making Fish Armies
Octopuses are smart. Like, gather a posse of fish to do their hunting for them smart. And when the fish step out of line, the day octopus punches them. Really. Hosted by: Hank Green (he/him)
SciShow
We Know Exactly Who This Guy Is
In the 1930s, a skeleton was discovered at the bottom of a well at the site of a medieval Norwegian fortress, severely injured and buried under large rocks. And to uncover his story, we need a combination of carbon dating, genetics, and...
SciShow
Why Elephants Rarely Get Cancer
One fun fact about elephants is that they're a lot less likely to get cancer than other animals (including us). Another fun fact is that unlike most warm-blooded animals, their testes are deep inside their bodies. It turns out, these two...
SciShow
Are Energy-Efficient Windows Bad For Us?
Low-E windows have reduced the amount of energy required to heat and cool our buildings, a critical step in fighting climate change. But new research suggests we've lost something beneficial in the process. Hosted by: Hank Green (he/him)
Crash Course
Biology and You: The Dr. Sammy Show: Crash Course Biology #50
Biology connects all of life—all of YOUR life. In the final episode of Crash Course Biology, Dr. Sammy is taking your questions. No matter how big, small, or personal, biology is in them all! He’ll show us how biology can help us solve...
Crash Course
Animal Behavior: Why This Toad Is Bad at Jumping: Crash Course Biology #49
Why do animals do what they do? It’s a huge question, and in this episode, we’ll learn how scientists break it down. We’ll talk about the proximate and ultimate studies they use to understand animal behavior, and some of what they’ve...
Crash Course
Human Evolution: We Didn't Evolve From Chimps: Crash Course Biology #19
What’s a human? And how did we become humans, anyway? In this episode of Crash Course Biology, we’ll meet some of our closest relatives and trace how we evolved into the brainy, inventive, complex species we are today.
TED Talks
Parkour! How the sport keeps your body and mind fit | Taylor Lynn Carpenter
Parkour isn't just for extreme athletes — it's a life skill that can help anyone navigate the world more easily, says professional parkour athlete Taylor Lynn Carpenter. She pulls off some slick vaults, jumps, dives and rolls onstage,...
TED Talks
Why social health is key to happiness and longevity | Kasley Killam
You know it's important to take care of your physical and mental health. But what about your social health? Social scientist Kasley Killam shows how feeling a sense of belonging and connection has concrete benefits to your overall health...
TED Talks
Why body language is the key to self-expression — and hot selfies | David Suh
What if striking a pose could not only make you look good but also help you embody who you’re meant to become? Demonstrating the art of mindful posing, portrait photographer and TikTok’s “King of Poses” David Suh shares body language...
TED Talks
Collagen's dirty secret — and its clean future | Fei Luo
From cosmetics to nutrition, collagen is seemingly everywhere — but we don't often discuss its ethically questionable sources, says chemical engineer Fei Luo. She delves into the groundbreaking technology that uses genetically modified...
TED-Ed
Why don’t we get our drinking water from the ocean? | Manish Kumar
Humans have been transforming seawater into potable freshwater for millennia. Today, billions of people can’t access clean drinking water, and 87 different countries are projected to be “water-scarce” by 2050. So, how can we use seawater...
TED-Ed
Do you really need to take 10,000 steps a day? | Shannon Odell
For years, Jean Béliveau walked from country to country, with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths, research shows that adding even a modest amount of...