SciShow
Can Sponges “Think” Using Light?
Sponges might not look like particularly complex animals, but they've had billions of years to evolve their own special systems. And one of those systems might involve sending messages through their body in the form of light.
SciShow
Our Solar System Might Have TWO Hidden Planets
After Pluto's demotion to dwarf planet in 2006, our solar system went from having nine planets to eight. But about a decade later, some astronomers proposed there was another planet, larger than Earth, hiding in the Kuiper Belt. And in...
MinuteEarth
There’s No Such Thing As “Warm-” Or “Cold-” Blooded
The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.
MinuteEarth
Why Most Fossils Are Incomplete
In 1990, fossil collectors in South Dakota stumbled across a dinosaur that turned out to be a really big deal. Not just because it was a T. rex – basically the most popular dino out there – or because it ended up in Chicago’s famous...
SciShow
Weird Diagnostics
Hank goes over some of the more interesting ways that doctors can use to tell what might be wrong with you.
SciShow
Meet Our Nitrogen-Breathing Bacterial Relative
Oxygen is pretty great stuff, but this recently discovered organism couldn’t care less about oxygen. It breathes nitrogen and may offer a window into how the types of cells in OUR bodies may have evolved billions of years ago.
SciShow
Could Your Blood Type Ever Change?
From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?
SciShow
The Truth Behind the Disappearing Lakes
Around the world, there are lakes that disappear without warning. Then, suddenly without warning, they sometimes return! This vanishing and reappearing affect reveals some surprising connections. Learn all about it with Hank on this new...
SciShow
Bivalves Could Be the New Lab Rats
Bivalves—animals like mussels, clams and oysters—might be a more familiar sight in a restaurant than a lab. But it turns out that studying them might help us learn more about our own health.
SciShow
Why Do These Animals Get Tied Up in Knots?
Ready your puns, viewers! From sick worm kings to uncomfortable floating snakes, today's episode is all about four types of animals that can get tied up in knots (either intentionally or...knot).
SciShow
7 Unbelievably Hardcore Ants
The ant world is an incredible, dangerous, and downright bizarre place. Some ants, though, are a lot cooler and more resourceful than you might give them credit for.
SciShow
Your Head Might Be On Sideways
In your brain the right side controls the left half of your body and vice versa. We still aren't sure why this is, but some scientists have come up with a pretty bizarre explanation: that some ancient vertebrate ancestor was born with...
SciShow
The Messy Path to the First Successful Organ Transplants
Today, the organ transplantation is one of the well-known medical treatment, but the road to the first successful organ transplant was full of challenges, discoveries, and a whole lot of work.
SciShow
Obesity
Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.
SciShow
Where Did That One Thick, Dark Hair Come From?
Some days you look in the mirror and find a long dark hair where it didn't use to be. Maybe you're going through puberty, pregnancy, or menopause. Maybe you're not. But either way, that hair didn't appear out of nowhere. It just went...
SciShow
How People Have Evolved to Live in the Clouds
High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...
SciShow
The Little Lobster That Reveals Climate
Pelagic red crabs are actually lobsters - and that’s not even the weirdest thing about them! They sometimes wash up on shore in droves, signaling large scale climate events like El Niños and serving as a warning to marine biologists of...
SciShow
Crabs, Cockroaches, and 3 Other Pollinators That Aren't Bees
Bees aren’t the only pollinators out there. Some of the other, more surprising pollinators aren't just unconventional, they give us unique examples of how the relationship between pollinators and plants evolved in the first place. Hosted...
SciShow
Antibiotics In Your Nose!
We have plenty of exciting news on holes in the earth and holes in your face! One of them broke records and the other keeps you healthy.
SciShow
3 Secrets About Ancient Earth, Hidden in Marine Fossils
Fossils can provide clues to the conditions that ancient species lived in, like what their environments felt like, how deep in the water some species lived, or even how long the Sun was out!
SciShow
What Happens When a Venomous Snake Bites Itself?
Venomous snakes produce some of the world’s deadliest substances, so they have to be pretty careful about how they use it. But what happens if they accidentally inject themselves with their own harmful cocktail?
SciShow
Wasp Nests and Bee Hives
How can you tell the difference between a yellowjacket and a hornet? And how much cosmic XP do you need to evolve a wasp into a bee? Follow the insect that stung you, and discover the fascinating world of wasp nests and bee hives.
SciShow
6 Non-Mammal "Milk" Producers
When you think of milk, you might think of mammals like humans and cows, but there are other species that give food to their young, in their own weird ways.
SciShow
5 Animals With Superpowered Senses
From the ability to see “invisible” types of light to the power to taste all over their body, meet five incredible animals whose super senses far surpass our own! Hosted by: Michael Aranda