SciShow
How Do Astronauts Do Their Business?
So how do astronauts manage to pee and poop in microgravity? And what happens to all of their waste? Do you really want to know? If you do, the answers are inside!
SciShow Kids
Turtle Time with Dr. Turtleman!
Jessi and Squeaks are on a beach vacation, so they've called in their pal, Dr. Lawrence Turtleman, to take over the show for today! And what is he going to teach you about? Turtles, of course!
TED Talks
Bilal Bomani: Plant fuels that could power a jet
Algae plus salt water equals ... fuel? At TEDxNASA@SiliconValley, Bilal Bomani reveals a self-sustaining ecosystem that produces biofuels -- without wasting arable land or fresh water.
TED-Ed
TED-Ed: How the world's longest underwater tunnel was built
Flanked by two powerful nations, the English Channel has long been one of the world’s most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the...
SciShow Kids
Animal Slime and Other Weird Stuff
Ever wonder why some animals don't need sunscreen or how they can live in dry climates without water? Well, some of them can use the slime their bodies produce in weird and helpful ways!
SciShow
New Channel Alert!
It was recently brought to our attention that there's a category here that we have covered quite a lot, and that people have… watched. Here's a selection of our absolute favorite SciShow Pee episodes!
SciShow
Astrobiology & the Search for Alien Life
Hank talks about astrobiology - the study of and search for life in the universe off Earth. Right now, the field has more questions than answers, but all they all seek to answer that one fundamental query: are we alone in the universe?
SciShow
Can Soda Save a Dying Fish?
For years, catch-and-release anglers have been pouring soda on bleeding fish in an effort to help save their lives. But.. does this actually work?
TED-Ed
TED-Ed: The myth of Narcissus and Echo | Iseult Gillespie
One day, Echo was drifting through the woods and fell in love with a handsome young hunter named Narcissus. Cursed by Hera to only repeat the last words spoken by another, Echo was unable to converse with him and was soon cruelly...
SciShow
The Chemist Decoding Our Cosmic Origins | Great Minds: Ewine van Dishoeck
The apparent void in the darkness of space is not as empty as you might think. In fact, it somehow holds the key to creating stars, planets, and even us! And Dutch super-scientist Ewine van Dishoeck made it her life's work to figure out...
SciShow
A Song of Ice and New Species
Hank shares losses and finds this week, including a huge amount of Antarctic ice that’s lost for good, and 10 cool new species that are last year’s top finds.
SciShow
Weird Places Devil's Kettle Falls
A waterfall that seems to just disappear into the ground sounds pretty unbelievable, but scientists are still bewildered by the mysteries of Devil's Kettle Falls.
SciShow
Why We Want to Find Plate Tectonics in Space
It’s not easy to find active plate tectonics on other worlds, but doing so may bring us one step closer to finding a planet that can support life.
Crash Course
Intro to Substitution Reactions - Crash Course Organic Chemistry
Substitution reactions can have really powerful effects, both good and bad, in our bodies. You might remember substitution reactions as displacement reactions from general chemistry, but (you guessed it!) in organic chemistry they’re a...
TED Talks
Jonathan Foley: The other inconvenient truth
A skyrocketing demand for food means that agriculture has become the largest driver of climate change, biodiversity loss and environmental destruction. Jonathan Foley shows why we desperately need to begin "terraculture" -- farming for...
SciShow
3 Ways Science Can Improve Your Pie
Happy Pi Day! We are huge fans of homophones here at SciShow, so we put together a whole bunch of fun facts and tasty tips about PIES! Get it?!
MinuteEarth
Why We Sucked At Counting Fish (Until Now)
We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started: - Milky Way: Earth's home galaxy - The Malaspina Expedition 2010: A research project to...
SciShow
Why Does the Ocean Smell Like That?
What gives the ocean its distinct, sometimes pungent smell? It turns out the answer is more than just dead fish or salt: it’s the scent of tons of phytoplankton being munched on!
SciShow
Why Do Tomatoes Taste So Bland?
The tomatoes you find in the supermarket used to be tastier, but we accidentally bred the flavor right out of them!
SciShow
Why Do Dogs Pant?
You’ve seen dogs pant, but do you know why they do it? And is it true that dogs can’t sweat? Quick Questions has the answers!
SciShow
How Cold Can Earth Get?
These days it seems almost trivial to cool atoms down to near absolute zero temperatures in a lab, but what is the lowest possible naturally occurring air temperature on this planet?
SciShow
8 Things People Get Wrong About Animals
If you watched a lot of cartoons as a kid, chances are you picked up some common animal stereotypes like "cats love milk!" or "bears can't get enough of that sweet, sweet honey!" What if we told you that everything cartoons taught you is...
Crash Course Kids
Big Changes in the Big Forest
What do beavers, termites, and prairie dogs have in common? They all change their environments! Last time we talked about how humans change their environments, but humans are animals and all animals change their environments just by...