In this video Paul Andersen describes the science practice of data collection. He begins with a brief description of science and the scientific method. He details concepts related to data collection in each of the four big ideas. He...

How to teleport Schrödinger’s cat: this video presents the full quantum teleportation procedure, in which an arbitrary qubit (spin, etc) is teleported from Alice to Bob by way of a pair of particles entangled...

Today we’re going to take a step back from programming and discuss the person who formulated many of the theoretical concepts that underlie modern computation - the father of computer science himself: Alan Turing. Now normally we try to...

Women own 39 percent of all businesses in the US, but female entrepreneurs get only two percent of venture funding. What's causing this gap? Dana Kanze shares research suggesting that it might be the types of questions start-up founders...

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!

Do popsicles give you toothaches? Do you wonder why that special toothpaste makes it all better? We've got you covered!

Join Jessi and Squeaks in their brand new fort as they answer letters from their friends in Ivydale, England!

You've prepped and now it's time to actually negotiate. In this episode of Crash Course Business, Evelyn talks to us about how to make sure we take care of ourselves and get what we're looking for out of a negotiation.

Paul Andersen reflects on Digital Aristotle, his trip to the YouTube Edu summit, and the future of education

We’ve got some new evidence for water beneath Jupiter’s Great Red Spot, and a new model of Jupiter’s weird magnetic field.

It’s an election year, which means you’ve probably been bombarded with polls asking you questions about candidates and issues. But is information the only thing pollsters are after? Questions are often more than just questions. They can...

What really happens when you approach the event horizon of a black hole?

What are the methods twitter bots use to fool us, and what are some of the challenges in doing so?

Filmmaker Deborah Scranton talks about and shows clips from her documentary The War Tapes, which puts cameras in the hands of soldiers fighting in Iraq.

Megan Toenyes, a former SciShow videomaker returns for a showdown with her former employer!

James Beacham looks for answers to the most important open questions of physics using the biggest science experiment ever mounted, CeRN's Large Hadron Collider. In this fun and accessible talk about how science happens, Beacham takes us...

2013 was a year of hype for MOOCs (massive open online courses). Great big numbers and great big hopes were followed by some disappointing first results. But the head of edX, Anant Agarwal, makes the case that MOOCs still matter -- as a...

Some of us learn best in the classroom, and some of us ... well, we don't. But we still love to learn -- we just need to find the way that works for us. In this charming, personal talk, author John Green shares the community of learning...

Astronomers discovered something cool about an object in the asteroid belt (2006 VW139/288P), and the European Space Agency is conducting a bed rest study that could help us get on our way to Mars.

It took a life-threatening condition to jolt chemistry teacher Ramsey Musallam out of ten years of "pseudo-teaching" to understand the true role of the educator: to cultivate curiosity. In a fun and personal talk, Musallam gives 3 rules...

Can you imagine a future where wars are fought not with bombs and bullets but computer viruses and pacemaker shutdowns? Cyberware is unique in that it is not covered by existing legal framework and it often inspires more questions than...

Caitlin serves up the latest in space-science news, this week featuring developments in missions dedicated to sampling asteroids, detecting exomoons, and solving the mysteries of the moon.

Hank tells us about near-earth objects & primordial black holes; new developments in evolutionary genetics; a giant squid & a giant radio telescope; & answers viewer questions about disposing of nuclear waste in space.

Mr. Andersen describes the two portions of the AP Biology Test. Tips for answering multiple choice and free response questions are included. Sample questions from old AP tests are also included.