TED Talks
Paul MacCready: Nature vs. humans
In 1998, aircraft designer Paul MacCready looks at a planet on which humans have utterly dominated nature, and talks about what we all can do to preserve nature's balance. His contribution: solar planes, superefficient gliders and the...
TED-Ed
TED-Ed: Inside your computer - Bettina Bair
How does a computer work? The critical components of a computer are the peripherals (including the mouse), the input/output subsystem (which controls what and how much information comes in and out), and the central processing unit (the...
TED Talks
TED: Online video -- annotated, remixed and popped | Ryan Merkley
Videos on the web should work like the web itself: dynamic, full of links, maps and information that can be edited and updated live, says Ryan Merkley. On the TED stage he demos Mozilla's Popcorn Maker, a web-based tool for easy video...
3Blue1Brown
How secure is 256 bit security?
When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?
Bozeman Science
What Is the NGSS? and Why Is It Important?
In this video Paul Andersen answers the following two questions. What is the NGSS*? and Why is it important?
Bozeman Science
Thinking in Structure and Function: Level 3 - Material Properties
In this video Paul Andersen shows conceptual thinking in a mini-lesson on material properties. TERMS Structure - parts in a material object Function - an activity or purpose for a thing Properties - any traits of an object that can be...
TED Talks
Doug Roble: Digital humans that look just like us
In an astonishing talk and tech demo, software researcher Doug Roble debuts "DigiDoug": a real-time, 3-D, digital rendering of his likeness that's accurate down to the scale of pores and wrinkles. Powered by an inertial motion capture...
SciShow
Magic Isn't Magic: It's Psychology
Magicians have a handy ace up their sleeve: Your brain, and they're not the only ones who know how to use it.
Amoeba Sisters
Natural Selection
Discover natural selection as a mechanism of evolution with the Amoeba Sisters. This video also uncovers the relationship of natural selection and antibiotic resistance in bacteria and emphasizes biological fitness. Note: This video is...
TED Talks
Denise Herzing: Could we speak the language of dolphins?
For 28 years, Denise Herzing has spent five months each summer living with a pod of Atlantic spotted dolphins, following three generations of family relationships and behaviors. It's clear they are communicating with one another -- but...
TED Talks
Torsten Reil: Animate characters by evolving them
Torsten Reil talks about how the study of biology can help make natural-looking animated people -- by building a human from the inside out, with bones, muscles and a nervous system. He spoke at TED in 2003; see his work now in GTA4.
TED Talks
The case for anonymity online - Christopher "moot" Poole"
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. The founder of 4chan, a controversial, uncensored online imageboard, describes its subculture, some of the Internet...
Bozeman Science
Questions and Answers
I just hit 100,000 subscribers and so I put together this Q&A video. Chapters View all Questions Answers 0:08 How old are you? Are you married? Do you have kids? 0:22 Why did you decide to do videos about science in the first place? 0:53...
TED Talks
Hans Block and Moritz Riesewieck: The price of a "clean" internet
Millions of images and videos are uploaded to the internet each day, yet we rarely see shocking and disturbing content in our social media feeds. Who's keeping the internet "clean" for us? In this eye-opening talk, documentarians Hans...
TED Talks
Margaret Gould Stewart: How YouTube thinks about copyright
Margaret Gould Stewart, YouTube's head of user experience, talks about how the ubiquitous video site works with copyright holders and creators to foster (at the best of times) a creative ecosystem where everybody wins.
3Blue1Brown
The DP-3T algorithm for contact tracing (via Nicky Case)
An overview of a simplified version of the DP-3T algorithm for privacy-first contact-tracing
Amoeba Sisters
Mitosis vs. Meiosis: Side by Side Comparison
After learning about mitosis and meiosis from our individual videos, explore the stages side by side in this split screen video by The Amoeba Sisters! Expand video details for table of contents. Vocabulary in this video includes...
Amoeba Sisters
Aerobic Cellular Respiration in Eukaryotic Cells
Explore the process of aerobic cellular respiration and why ATP production is so important in this updated cellular respiration video by The Amoeba Sisters! This video compares the cellular respiration equation to photosynthesis before...
Amoeba Sisters
Sodium Potassium Pump
Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...
SciShow
Fun With Potatoes & Physics! A SciShow Experiment
Hank uses a favorite subject of the YouTube community - the potato gun - to teach us about the principles of pneumatics, which use the potential energy of compressed gas to do work in lots of useful machines every day.
TED Talks
Saul Griffith: Everyday inventions
Inventor and MacArthur fellow Saul Griffith shares some innovative ideas from his lab -- from "smart rope" to a house-sized kite for towing large loads.