SciShow
5 Devastating Security Flaws You've Never Heard Of
Devastating vulnerabilities are hiding in the technology in programs, protocols, and hardware all around us. Most of the time, you can find ways to protect yourself.
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 Really Goes Into Storing Food for the Winter?
When birds and squirrels cache food for the winter, it means they have to remember where to find that food later. Their strategies for finding their hidden feasts includes memory tricks and changing brains.
SciShow
The Trouble with This Year's Flu Season
We here at SciShow know of two things that can help you get through this flu season: a flu shot, and watching this video. Make sure you do both! Hosted by: Hank Green
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
4 Weird Unsolved Mysteries of Math
There are lots of unsolved mysteries in the world of math, and many of them start off with a deceptively simple premise, like: What's the biggest couch you can slide around a 90-degree corner? Hosted by: Michael Aranda
SciShow
What Does a 95% Effective Vaccine Really Mean?
If you've received a vaccine that's 95% effective, that does not mean you have a 5% chance of getting sick. That’s just not how the numbers are calculated. So let’s take a closer look at how it does work, why we can’t compare these...
SciShow
The Mayan Calendar & 2012
Hank tells us about the Mayan calendar & why December 21, 2012 will not be the end of the world.
SciShow
It's Weird How Many Species Live At Both Poles
We know that lots of animals and plants can be found all over the world. But there's plenty that manage to live at the furthest points from each other they possibly can - and are /still/ the same species. It's called being bipolar, and...
SciShow
It Seems like Trees Caused a Mass Extinction
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes. Hosted by: Michael Aranda
SciShow
Pollinating With Bubbles and Some Other Good News You Might Have Missed
We've found a microbe that might someday protect us from malaria parasites, and bees might have help with their jobs soon, thanks to bubble pollination!
SciShow
Is Premium Gasoline Really Better for Your Car?
Are you slowly killing your car by using below average gas? Olivia talks about octane ratings and how your vehicle is designed to handle them. Hosted by: Olivia Gordon
SciShow
Is Coffee Disappearing... or Will It Just Taste Different?
Many of us rely on a morning cup of coffee, or several morning cups of coffee, to get us going. But climate change has the potential to shift not only where and how we grow coffee, but whether it can be grown at all. Hosted by: Hank Green
SciShow
You're Losing Bones Right Now
You would think that almost everyone has the same exact number of bones in their body, but that number is different, and changing, in everyone!
SciShow
Why More Isn’t Always Better For DNA
Sometimes researchers make similar breakthroughs at similar times and that leads to great rivalries (think electricity). But what about the times that these researchers choose to collaborate? Hosted by: Hank Green (he/him)
SciShow
Why is Indigo in the Rainbow?
Indigo may be a very vague and unnecessary color, but it has an interesting history that involves some plants, turmoil, and Isaac Newton's interest in the number seven. Hosted by: Hank Green
SciShow
Why Are COVID Fatality Rates Dropping?
Near the end of 2020, we got some puzzling but good news: COVID-19 fatality rates have been dropping. Here are a few factors that might help explain why we’re seeing this trend.
SciShow
Why We Age - And How We Can Stop It
Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity... for mice.
TED Talks
TED: The next global superpower isn't who you think | Ian Bremmer
Who runs the world? Political scientist Ian Bremmer argues it's not as simple as it used to be. With some eye-opening questions about the nature of leadership, he asks us to consider the impact of the evolving global order and our...
PBS
States Push For Harsher School Discipline Practices To Address Student Misbehavior
School administrators and teachers are concerned about ongoing problems with student conduct that are disruptive and difficult to deal with. Several states are beginning to propose big changes about how to handle it. We hear from...
Crash Course
Broadway Book Musicals: Crash Course Theater #50
This is it! We're going out with a singing, dancing look at the Broadway Book Musical. Oklahoma! On the Town! Annie Get Your Gun! Also, just Annie! Today you'll learn about the development of the Broadway Book Musical in the late 19th...
TED Talks
TED: Why people love watching sports | Kate Fagan
Sure, sports are about athleticism -- but what actually keeps fans invested? Journalist Kate Fagan takes a fascinating deep-dive into lesser-known moments in women's sports history and its media coverage, revealing why stakes and...
TED Talks
TED: How to outthink your competition -- with a lesson from sports | Rasmus Ankersen
Does success come from luck or skill, and how do you tell the difference? One way to find an answer: think like a pro gambler does, says football executive Rasmus Ankersen. Using sports analytics to emphasize his point, Ankersen digs...