SciShow
Why Do Cats Like Catnip?
Catnip! Cats roll in it, rub their cheeks on it and paw at it... but what is it about this stuff that gets our feline friends caught up in such a frenzy?
SciShow
This Amazing Mission Almost Failed After Launch
The ESA Hipparcos team worked for 20 years on the project, then had to watch as the mission ALMOST failed! But somehow, they turned it around, and today, this little-known mission has totally transformed what we know about space.
PBS
Will Starshot's Insterstellar Journey Succeed?
Yuri Milner's Breakthrough Starshot is an interstellar travel expedition unlike any other before it. It's many years in the making and is contingent on a series of incredible advancements in nanotechnology, materials science and laser...
SciShow
What If Your Arm Falls Off Right After a Vaccine?
If you lost your arm almost immediately after being vaccinated, would you still be vaccinated?
SciShow Kids
Let’s Make Butter!
Jessi and Squeaks are having pancakes, but first they have to make a key ingredient: butter!
SciShow
The Mysterious Leap Second
Leap Day's got nothing on the Leap SECOND! Hank explains why a second is being added to 2012 and why some are upset about it.
SciShow
The First Time We Landed on Mars
We've successfully landed 10 different craft on Mars, but they all owe a bit of their success to Mars 3.
SciShow
The Ancient Footprints that Changed The Timeline of Human History
In the history of our species, we still don’t know exactly how and when early humans migrated across the world, but some ancient footprints might be helping us figure it out.
MinuteEarth
The Secrets of Extreme Breath Holding
Humans can hold our breath longer than we think by taking advantage of our body’s innate survival instincts - and then ignoring them. __________________________________________ To learn more, start your googling with these keywords:...
SciShow
Trouble in Bed: When Sleep Turns Against Us
Having trouble sleeping? In this episode of SciShow, Hank explores different kinds of sleep disorders, from insomnia to apnea to sleepwalking. Chapters View all PRIMARY INSOMNIA NO OTHER HEALTH ISSUES 1:49 ACUTE INSOMNIA 2:01...
SciShow
Enceladus's Super-Thin Ice
You might not want to sign up for the Enceladus Ice Hockey League... And some researchers have an idea that might make the Big Bang model more accurate!
Be Smart
How Science Defines A Year
It's been one (tropical/sidereal/anomalous) year since I uploaded the very first It's Okay To Be Smart. Here's everything that's happened since!
SciShow Kids
2015's Solar Eclipse
In this episode of SciShow Kids, Jessi talks about solar eclipses, and in particular, the solar eclipse of 2015! Jessi will show you how eclipses occur and where the best places to view the eclipse are.
SciShow
Why We Don't Like to Wait
It can be frustrating to get stuck in line somewhere with no end to your wait in sight, but what about waiting is it that gets under our skin?
TED Talks
TED: Why you should treat the tech you use at work like a colleague | Nadjia Yousif
Imagine your company hires a new employee and then everyone just ignores them, day in and day out, while they sit alone at their desk getting paid to do nothing. This situation actually happens all the time -- when companies invest...
SciShow
The World's First Human-Made Nuclear Reactor
Today on SciShow, Hank brings us a little science history, telling us the tale of the world's first human-made nuclear reactor, which was built by a team of scientists and students led by Enrico Fermi in a converted squash court under a...
TED Talks
Mandy Len Catron: Falling in love is the easy part
Did you know you can fall in love with anyone just by asking them 36 questions? Mandy Len Catron tried this experiment, it worked, and she wrote a viral article about it (that your mom probably sent you). But ... is that real love? Did...
TED-Ed
TED-Ed: Can you solve the multiplying rabbits riddle? - Alex Gendler
After years of experiments, you’ve finally created the pets of the future – nano-rabbits! They’re tiny, they’re fuzzy ... and they multiply faster than the eye can see. But a rival lab has sabotaged you, threatening the survival of your...
TED-Ed
TED-Ed: How high altitude affects your body | Andrew Lovering
If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it's...
SciShow
Eugene Goostman & The Science of What Disgusts You
SciShow News parses the latest science news, including whether a computer program really passed a famous artificial intelligence test, and new insights into why and how we're disgusted by the things that gross us out.
SciShow Kids
Why Does Cooking Eggs Make Them Hard?
Jessi and Squeaks grab a snack and learn all about why boiling eggs makes them hard! Second Grade Next Generation Science Standards Disciplinary Core Ideas: PS1.A: Structure and Properties of Matter - Different kinds of matter exist and...
SciShow
Does Stretching Before Exercise Actually Help?
It seems like a good idea to stretch before exercising, but does it actually prevent injuries, or improve your performance?
SciShow
Why Does Coffee Make You Poop?
It's common knowledge: you drink a lot of coffee, you're definitely going to poop. What isn't common knowledge is why your body reacts that way
TED-Ed
TED-Ed: Can you solve the bridge riddle? - Alex Gendler
Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn't so smart either. But now is not the time for regrets because you need to...