SciShow
What's the Best Position for Pooping?
Everybody poops ... but is it possible that you're pooping all wrong? Learn the science behind the greatest debate of our time: squat vs. sit!
SciShow
We're Turning Pulsars into Galactic GPS!
Scientists have thought for awhile that pulsars could be used as a sort of galactic positioning system, and astronomers have published the most advanced topographical map of Titan to date!
TED-Ed
TED-Ed: The Train Heist | Think Like A Coder, Ep 4 | Alex Rosenthal
This is episode 4 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...
PBS
Quantum Invariance & The Origin of The Standard Model
Our laws of physics are equations of motion, along with some associated constants. We've talked about the symmetries of these equations, and how they lead us to conserved quantities. But this is just the tip of the theoretical iceberg -...
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
Spinal Posture & A Legless Lizard: SciShow Talk Show #13
In this episode of the SciShow talk show, Michael and Hank discuss human posture and evolution and Hank shares some personal information, and then Jessi from Animal Wonders shares Leonard, the legless lizard.
TED-Ed
TED-Ed: How high can you count on your fingers? (Spoiler: much higher than 10) - James Tanton
How high can you count on your fingers? It seems like a question with an obvious answer. After all, most of us have ten fingers -- or to be more precise, eight fingers and two thumbs. This gives us a total of ten digits on our two hands,...
SciShow Kids
Why Is My Leg Asleep?
Have you ever been sitting down for a long time and had your legs fall asleep? It feels really weird and can make it hard to walk for a little while! So what makes your legs fall asleep, and why does it feel all prickly when they start...
TED Talks
TED: How to separate fact and fiction online | Markham Nolan
By the end of this talk, there will be 864 more hours of video on YouTube and 2.5 million more photos on Facebook and Instagram. So how do we sort through the deluge? At the TEDSalon in London, Markham Nolan shares the investigative...
3Blue1Brown
Understanding e to the i pi: Differential Equations - Part 5 of 5
A quick explanation of e^(pi i) in terms of motion and differential equations
TED Talks
Sheikha Al Mayassa: Globalizing the local, localizing the global
Sheikha Al Mayassa, a patron of artists, storytellers and filmmakers in Qatar, talks about how art and culture create a country's identity -- and allow every country to share its unique identity with the wider world. As she says: "We...
TED Talks
TED: How a dead duck changed my life | Kees Moeliker
One afternoon, Kees Moeliker got a research opportunity few ornithologists would wish for: A flying duck slammed into his glass office building, died, and then ... what happened next would change his life. [Note: Contains graphic images...
SciShow
IDTIMWYTIM Heisenberg Uncertainty Principle
The Heisenberg Uncertainty Principle might not mean what you think it means: Hank clears things up for us in this edition of IDTIMWYTIM, by distinguishing between the Uncertainty Principle and the Observer Effect, which are often conflated.
Bozeman Science
Motion of the Center of Mass
In this video Paul Andersen explains how linear motion of an object can be measured using the center of mass. Internal forces within the object can be ignored since they exist in action reaction pairs. A simple way to determine the...
SciShow
Neil Armstrong Tribute
Neil Armstrong, the first man to walk on a world that was not Earth, has died. Getting his pilot's license before his driver's license probably didn't hurt when it came to becoming one of the world's most famous men - certainly the...
SciShow
The Giant, Amazing Machines NASA Built for the Shuttle
For decades the space shuttle was integral to space exploration. In orbit it helped build the ISS, but on the ground it needed help from other gigantic machines.
Be Smart
What Are The Most Important Science Images Ever?
Science isn't always a visual medium, but I think it's most important moments have often been captured in photos and illustrations. I picked out some of my favorite science images from history.
MinutePhysics
Footnote †: Unstable Equilibrium
This video is a footnote for the video about the ring around the earth: https://www.youtube.com/watch?v=4xSPlQUejd8 Essentially, a ring around the earth is in unstable equilibrium, so it would stay put, but then fall one way or the other...
PBS
The Origin of Matter and Time
We've broken down our preconceived notions about mass and time, now let's redefine what they really are. Since we know that time is not a universal constant, what is? Matt defines causal order and explains how even though time may look...
TED Talks
Catherine Mohr: The tradeoffs of building green
In a short, funny, data-packed talk at TED U, Catherine Mohr walks through all the geeky decisions she made when building a green new house -- looking at real energy numbers, not hype. What choices matter most? Not the ones you think.
TED Talks
Niels Diffrient: Rethinking the way we sit down
Design legend Niels Diffrient talks about his life in industrial design (and the reason he became a designer instead of a jet pilot). He details his quest to completely rethink the office chair starting from one fundamental data set: the...
TED Talks
Péter Fankhauser: Meet Rezero, the dancing ballbot
Engineering student Péter Fankhauser demonstrates Rezero, a robot that balances on a ball. Designed and built by students, Rezero is the first ballbot made to move quickly and gracefully -- and even dance. (Could the Star Wars sphere...
Bozeman Science
Rotational Inertia
In this video Paul Andersen explains how the angular momentum of an object if a product of the rotational inertia and the angular velocity. The rotational inertia depends on the mass, radius and shape of the rotating objects. A sample...
SciShow
Why You Can't Win an Internet Argument
One of the internet's favorite pastimes is arguing, but very few of those arguments ever actually go anywhere. It can be frustrating to watch, but scientists have some ideas on why things play out the way they do.