SciShow
Why Does Everything Decay Into Lead
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is...
SciShow
What Does My Cancer Diagnosis ACTUALLY Mean?
You've probably heard of cancers having stages, but what do all those stages really mean? This video is a 101 to explain cancer diagnosis and decode the jargon for you. And even if you've heard of the numerical stages, you might not know...
SciShow
Ada Lovelace: Great Minds
Ada Lovelace, Daughter of Lord Byron, was somehow the first author of a computer program...even though she lived more than a century before the first modern computer.
TED-Ed
TED-Ed: Does recycling your plastic actually work? | Shannon Odell
If you've ever looked at the bottom of a disposable bottle or cup, you've probably noticed a recycling symbol. Seeing this, many people assume the item should be put in a recycling bin. Yet many plastics are incapable of being recycled...
TED Talks
TED: The ordinary people doing extraordinary things in Ukraine | Oleksandra Matviichuk
How do we defend people's freedom and dignity against authoritarianism, when the "law of war" doesn't seem to apply anymore? In the face of the Russian occupation of Ukraine, human rights lawyer and Nobel laureate Oleksandra Matviichuk...
SciShow
Why are Astronomers So Bad at Naming Things?
With star names like 2MASS J05551028+0724255, it might seem like astronomers are not so great at naming things. But if you know the code, these names can actually help you find the star in the sky.
PBS
Are there Undiscovered Elements Beyond The Periodic Table?
Adamantium, bolognium, dilithium. Element Zero, Kryptonite. Mythril, Netherite, Orichalcum, Unobtanium. We love the idea of fictional elements with miraculous properties that science has yet to discover. But is it really possible that...
TED-Ed
TED-Ed: Can you solve the cursed dice riddle? | Dan Finkel
Ah, spring. As Demeter, Goddess of the Harvest, it's your favorite season. Humans and animals look to you to balance the bounty of the natural world which, like any self-respecting Goddess, you do with a pair of magical dice. But then,...
SciShow
Why Is ChatGPT Bad At Math?
Sometimes, you ask ChatGPT to do a math problem that an arithmetically-inclined grade schooler can do with ease. And sometimes, ChatGPT can confidently state the wrong answer. It's all due to its nature as a large language model, and the...
SciShow
The Fibonacci Sequence: Nature's Code
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
SciShow
Whale Poop Helps Cool Our Planet
You might not think of a sea creature as helpful in the prevention of climate change, but sperm whales have been doing their part to cool the planet by doing what most animals do best: pooping.
SciShow
Why It's Good for COVID-19 Models to Be Wrong
As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can appear totally off. But if a model’s predictions end up being wrong, that might mean it's done exactly...
SciShow
The 4 Greatest Mysteries of Physics
There are still some great mysteries of our universe that physicists can't explain. How is that possible? Join us as we break down the 4 greatest mysteries of physics in this episode of SciShow hosted by Michael Aranda!
SciShow
7 Species That Were Saved From Extinction
Humans are pretty good at destroying things. Like habitats, animal populations... you catch my drift. But, there have been a few species that humans have helped bring back from the brink of extinction.
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
10 Bizarre Ways to Avoid Being Dinner
If you’re a wild animal, you might spend your days actively trying to NOT become another animal's dinner. And some animals have come up with some pretty bizarre strategies to stay safe. Hosted by: Michael Aranda
PBS
Teenage Girls Experiencing Record High Levels Of Sadness, Violence And Trauma, CDC Says
In 2021, the CDC saw an increase in mental health challenges across the board, but it’s girls in the U.S. that are engulfed in a wave of sadness, violence, and trauma. Nearly three in five reported feeling persistent sadness and...
TED-Ed
TED-Ed: This one weird trick will get you infinite gold | Dan Finkel
A few years ago, the king decided your life would be forfeit unless you tripled the gold coins in his treasury. Fortunately, a strange little man appeared and magically performed the feat. Unfortunately, you promised him your first-born...
PBS
Thinking about math in terms of literacy - not levels
Algebra is a core subject for U.S. high school students. But should it be? Author Andrew Hacker believes we should reconsider how math is taught: only 5 percent of the American workforce actually uses math beyond arithmetic, though...
Curated Video
Davis vows to protect EU citizens in UK after Brexit
UK Brexit Secretary David Davis has pledged to protect European Union citizens living in Britain following its departure from the EU.In a speech at the Conservative Party's annual conference in Birmingham on Sunday, he emphasised however...