Confused about how chromosome numbers change before and after mitosis and meiosis? This Amoeba Sisters UPDATED video breaks down chromosome vs chromatid and shows how to count chromosomes and how they change in cell division, all...

There are about 7,000 languages spoken around the world -- and they all have different sounds, vocabularies and structures. But do they shape the way we think? Cognitive scientist Lera Boroditsky shares examples of language -- from an...

In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much...

In which Stan Muller subs for John Green and teaches you about energy and humanity. Today we discuss the ideas put forth by Alfred Crosby in his book, Children of the Sun. Historically, almost all of the energy that humans use has been...

There's a list of the 500 most powerful computers on Earth, and we're downloading the details on the top five.

We all have to deal with getting rid of trash. But what do we do when that trash is radioactive? Here's a few of the weirdest solutions to the green glowy problem of storing radioactive waste for decades to come.

Whether you saw a quantum computer featured in a tech news blog post, or that Black Mirror episode "Joan is Awful", the chandelier-like look may have inspired the thought "Why does it look like that?" Well, it's not for the sci-fi...

In this video Paul Andersen shows you how to analyze and interpret data in a mini-lesson on Data. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to ask questions in a mini-lesson on testable questions. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to develop and use models in a mini-lesson on modeling phenomena. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to plan and carryout investigations in a mini-lesson on fair tests. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to analyze and interpret data in a mini-lesson on quantitative analysis. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to asking questions in a mini-lesson on experimental questions. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to INSERTPRACTICE in a mini-lesson on INSERTTITLEHERE. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to plan and carry-out investigations in a mini-lesson on experimental design. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to INSERTPRACTICE in a mini-lesson on INSERTTITLEHERE. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to engage in argumentation in a mini-lesson on presenting arguments. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to develop and use models in a mini-lesson on modeling systems with evidence. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to analyze and interpret data in a mini-lesson on statistical analysis. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>

In this video Paul Andersen shows you how to use mathematical and computational thinking in a mini-lesson on measuring and graphing quantities. Two examples are included in the video and two additional examples are included in the...

In this video Paul Andersen shows you how to use mathematical and computational thinking in a mini-lesson on mathematical representations. Two examples are included in the video and two additional examples are included in the linked...

In this video Paul Andersen shows you how to use mathematical and computational thinking in a mini-lesson on computational representations. Two examples are included in the video and two additional examples are included in the linked...

In this video Paul Andersen shows you how to INSERTPRACTICE in a mini-lesson on INSERTTITLEHERE. Two examples are included in the video and two additional examples are included in the linked thinking slides.

In this video Paul Andersen shows you how to ask questions in a mini-lesson on evaluating questions. Two examples are included in the video and two additional examples are included in the linked thinking slides. <br/>