SciShow Kids
All About Teeth! | SciShow Kids Compilation
In this SciShow Kids compilation, Jessi and Squeaks learn about why teeth are important, how they're different, and why some animals have really weird ones.
TED-Ed
TED-Ed: How to increase your happiness | TED-Ed
Many people would say the connection between happiness and gratefulness is very simple: when you are happy, you are grateful. But think again. Is it really the happy people that are grateful? Quite a number of people have everything that...
TED Talks
TED: How you could see inside your body — with a micro-robot | Alex Luebke, Vivek Kumbhari
Would you swallow a micro-robot? In a gutsy demo, physician Vivek Kumbhari navigates Pillbot, a wireless, disposable robot swallowed onstage by engineer Alex Luebke, modeling how this technology can swiftly provide direct visualization...
SciShow
Why We'll Never Build a Perfect Clock
We can make clocks that keep accurate time for millions of years. We can also make clocks with such high resolution they tick one billion billion times per second. So why can't we make a clock that does both?
MinuteEarth
Why We Haven’t Learned More In 101 Years Of Trying
Almost everything we know about the reproductive practices of European eels comes from a genius study conducted more than 100 years ago.
MinuteEarth
Is Bigger Better?
Elephants might be strong, but they are weak compared to ants because ants have certain advantages that allow them to outlift their larger competitors.
MinuteEarth
Ancient Humans Made Millions Of These - We Don’t Know Why
The Acheulean handaxe was the most common tool of early humans, but we still don’t know what the heck they used it for.
PBS
Cosmic Microwave Background Challenge | Space Time | PBS Digital Studios
If a photon leaves the train station shortly after the Big Bang ...
PBS
Did Eating Insects Shrink These Dinos?
We often think of dinosaurs as either preying on other dinos or mammals, or as plant-eaters -- but in ecosystems today, those aren’t the only two options. So why would we expect dinosaurs to have only been carnivores or herbivores, with...
PBS
NEW DISCOVERY About Supermassive Black Holes Explained!
Astrophysicists have discovered a black hole that for millions of years has been blasting vast particle beams in opposite directions across the sky. And has recently swiveled to point its one of these jets directly at us. Is this an...
PBS
Hacking the Nature of Reality
In standard use, the S-matrix can be calculated if you understand the forces in the interaction region - for example, in the nucleus of an atom. But what if you don’t know those internal interaction forces? Heisenberg sought a way to...
PBS
How An Extreme New Star Could Change All Cosmology
A new white dwarf has been discovered (poetically named: ZTF J1901+1458) that’s doing some stuff that no white dwarf should ever be able to do. In fact, it has multiple properties that are so extreme that it almost certainly did NOT form...
PBS
Are Cosmic Strings Cracks in the Universe?
Reality has cracks in it. Universe-spanning filaments of ancient Big Bang energy, formed from topological defects in the quantum fields, aka cosmic strings. They have subatomic thickness but prodigious mass and they lash through space at...
PBS
What’s Wrong With the Big Bang Theory? | Space Time | PBS Digital Studios
Now that we have a primer on the aspects of the Big Bang Theory that we know definitely happened, let’s look further into what we don’t yet know, and how the theory could progress in the future. Since there is a discrepancy between...
PBS
When Dinosaurs Chilled in the Arctic
All told, the Arctic in the Cretaceous Period was a rough place to live, especially in winter. And yet, the fossils of many kinds of dinosaurs have been discovered there. So how were they able to survive in this harsh environment?
PBS
Giant Viruses Blur The Line Between Alive and Not
In 2003, microbiologists made a huge discovery. One that would force us to reconsider a lot of what we thought we knew about the evolution of microbial life: giant viruses.
PBS
The Island of Shrinking Mammoths
The mammoths fossils found on the Channel Islands off the coast of southern California are much smaller than their relatives found on the mainland. They were so small that they came to be seen as their own species. How did they get...
PBS
The Island of Huge Hamsters and Giant Owls
Back in the late Miocene epoch, there was an island--or maybe a group of islands-- in the Mediterranean Sea that was populated with fantastic giant beasts. It’s a lesson in the very strange, but very real, powers of natural selection.
SciShow
Why Teeth Make The Best Fossils
Teeth are so well preserved in the fossil record that they make the best, most informative fossils we can find, from phylogenetic studies to learning about the evolution of the human brain.
MinutePhysics
How Far Can Legolas See?
One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!
SciShow
The Future of Human Evolution
Do you like drinking milk or chatting with your friends? Well, you can enjoy those because of the evolution happened over the past million years, and we are still evolving. Let's find out what will we be like in the future with us!
SciShow
Why Do These Penguins Kill Their First Egg?
In what seems like an inefficient use of resources, these penguins always lay two eggs, but then ignore, discard, or just straight-up destroy the first one. What gives, penguins?
SciShow
When Athletes Dope ... & Einstein FTW
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...