SciShow
Why Is the Sun's Corona So Hot?
The Sun's corona is hotter than its surface, but where do scientists think such immense heat comes from?
SciShow
Meet the Oilbird A Bird that Thinks its a Bat
In South America, there’s a flying animal that lives in colonies in caves, emerges at night in search for food, and navigates using echolocation... And it isn't a bat.
SciShow
What Are Fever Dreams?
You might have experienced those bizarre and emotionally intense dreams when you have a fever, but what are those?
Crash Course
Parasympathetic Nervous System: Crash Course A&P
This week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got...
SciShow
How Going to Space Changes the Way You Think Forever
A trip into space produces physiological effects in human beings, but it can also change a person in a profound, psychological way.
SciShow
First Kisses and Spring!
Hank explores the science behind the first kiss -- and all the kisses that come after it -- and also sets you straight about the vernal equinox, what it is, and why this year's is special!
SciShow
Why Did We Keep Sealed Moon Samples?
We’ve been sitting on samples of the lunar surface for decades and, with better technology than when they were taken, we are opening them back up to take another look!
SciShow
Why’d the Ocean Stop Getting Saltier?
If salty water is constantly spilling into the world’s oceans, does that mean they are getting saltier by the day?
TED Talks
Gary Wolf: The quantified self
At TED@Cannes, Gary Wolf gives a 5-min intro to an intriguing new pastime: using mobile apps and always-on gadgets to track and analyze your body, mood, diet, spending -- just about everything in daily life you can measure -- in...
TED Talks
Juliana Rotich: Meet BRCK, Internet access built for Africa
Tech communities are booming all over Africa, says Nairobi-based Juliana Rotich, cofounder of the open-source software Ushahidi. But it remains challenging to get and stay connected in a region with frequent blackouts and spotty Internet...
TED-Ed
TED-Ed: How did feathers evolve? - Carl Zimmer
To look at the evolution of modern bird feathers, we must start a long time ago, with the dinosaurs from whence they came. We see early incarnations of feathers on dinosaur fossils, and remnants of dinosaurs in a bird's wish bone. Carl...
TED-Ed
TED-Ed: Where we get our fresh water - Christiana Z. Peppard
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and...
SciShow
Why Can't You Donate Platelets After Taking Aspirin?
Curious why you can't donate platelets after taking aspirin? Wonder no more!
TED-Ed
TED-Ed: Is it possible to lose weight fast? | Hei Man Chan
In the wealthiest circles of Victorian England, dieters would swallow an unhatched tapeworm and let it grow inside them by consuming undigested meals. And while modern fad diets aren't usually this extreme, they do promise similar...
SciShow
Weird Things Whales Lost on Their Journey to the Sea
When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.
SciShow
The Solar Eclipse of 2015!
This week, an update on Dawn's rendezvous with Ceres, a changing of the guard on the ISS, and a viewer's guide to this year's solar eclipse!
SciShow
What's the Best Way to Rescue a Drowned Phone?
What should you do after your phone goes for a swim?
Be Smart
My Date With A Giant Pacific Octopus!
Joe went behind the scenes at Monterey Bay Aquarium to meet the Giant Pacific Octopus, a powerful and curious creature that challenges many of our notions of intelligence!
SciShow
What Do Scientists Really Know About Polyphasic Sleep?
It is important to get enough sleep, but what happens when you get those eight hours in little naps instead of in one big chunk at night?
SciShow
Space News From The Future!
Today Hank uses his patented prognosticating abilities to tell you about some space news events to watch out for in 2013. What one thing is the Curiosity rover going to spend most of the year doing? Why are we going back to the moon? And...
SciShow
The Truth About the Charlie Charlie Challenge
We may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics.Very, very special thanks to Henry Reich of Minute Physics for helping with the content of this video.
SciShow Kids
Do You Want to Build a Snowman Engineering for Kids?
Even though it may be cold outside, we can always think like engineers! Learn how to build a snowman -or a snowrat- with Jessi and Squeaks!
SciShow
3 Discoveries You Missed Because of COVID
There have been a lot of scientific discoveries around COVID, but other science stories did happen in 2020 — including amazing discoveries about everything from dinosaurs to parasites.