SciShow
Do-It-Yourself Photosynthesis Is Here!
Photosynthesis, the elegant process of making fuel from sunlight, might be the future of how we power, well, just about anything. Plants may have invented it, but humans are taking the model and really running with it, to make anything...
SciShow
Cloudy With A Chance Of Aliens: How We Look for Extraterrestrial Life
What do astronomers look for when they study exoplanets for signs of alien life? Hank explains how space telescopes are already yielding tantalizing clues of what other worlds might hold -- including water! -- and how the next generation...
SciShow
Our Entire Society is Built on a Geological Fluke
If a tree falls into the forest and doesn't decompose, what happens to it?
SciShow
Where Does the Candle Wax Go?
While not used much any more as a primary source of light, candles are still everywhere, from an aroma in a bathroom to a mood during dinner. That is, until they’re gone.
SciShow
What Happens to Your Body if You Drink Heavy Water?
What is heavy water, and is it safe to drink? Heavy water, or deuterium oxide, has some pretty important scientific applications. But what would happen to your body if you actually drank it? Hosted by Hank Green.
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
How Dogs Really Listen to Us, and How Pufferfish Puff
This week on SciShow News: Animals! New research has found how dogs actually listen to us in more complex ways than you probably thought, and also figured out how a kind of pufferfish gets its puff up.
SciShow
How Do Turtles Live So Long?
We all know turtles live an amazingly long time, but what's their secret? And can we apply it to humans?
SciShow
Do You Have a Maximum Heart Rate?
Does your heart rate have an upper limit and could you ever reach it?
SciShow
The Smokin' Science of Fire Extinguishers
Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires? Hosted by: Michael Aranda
SciShow
What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.
SciShow
Could We Breed Giant Spiders?
If, for some wild reason, we decided that breeding humongous spiders was a good idea, could we actually pull it off?
SciShow
Catfish Walking on Land Find Water by its Smell
There’s a reason behind the saying “fish out water.” Fish don’t tend to do well if they’re not immersed in liquid. But walking catfish are surprisingly adept at making their way on land.
SciShow
8 Elements You Might Not Know That Are Extremely Useful
There are 118 elements on the periodic table, but it seems like only a handful of them get any attention. But just because you haven't heard of an element doesn't mean that it isn't a vital part of everyday life! Learn about these lesser...
SciShow
5 Technologies Helping Us Explore The Deep Ocean
The ocean is the largest ecosystem on Earth, but it's still mostly unexplored. This is partially due to the challenges of ocean exploration, like bone-crushing pressure and the need to bring your own air. But here are five ways that...
SciShow
The Toughest, Biggest, and Hottest Science of 2017
2017 has been an eventful year, so as it comes to a close we'd like to look back at some of its most superlative science.
SciShow
The New Gel That Regrows Brains
A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement! Hosted by: Hank Green
SciShow
Is There Less Oxygen in the Winter Since It's Colder?
Plants make oxygen using photosynthesis, but what happens to the air when those trees drop their leaves in winter?
SciShow
A Brief History of Life: Survival Is Hard
It turns out life may have gotten its start pretty early in Earth's history, and while the first couple billion years saw several important developments, the period was still dominated by very simple life forms. This is our first...
SciShow
5 Times Evolution Did Its Best
Usually when you think of evolution or natural selection, you think of survival of the fittest. But sometimes, the resulting traits of evolution aren’t the most efficient solutions to the problems at hand. With the bar set to “good...
SciShow
Lead: The Original Artificial Sweetener
Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green
SciShow
Is It COVID Or Is It Your Vape Juice?
Set against the backdrop of the COVID-19 pandemic, the rise of vaping-related lung injury over the past few years has complicated things since it can cause an uncannily similar host of symptoms to COVID-19. So, let’s take a closer look...
SciShow
The Bacteria That Make Perfect, Tiny Magnets
Learn how magnetic bacteria work, and how scientists think they can help technology in the future!