Amoeba Sisters
Food Webs and Energy Pyramids: Bedrocks of Biodiversity
Explore food chains, food webs, energy pyramids, and the power of biodiversity in this ecology video by the Amoeba Sisters! This video also introduces general vocabulary for the unit of ecology.
Bozeman Science
Unit 1 Review - Natural Selection
Paul Andersen reviews the major within the first unit on natural selection. He starts by defining evolution and explaining how evolution can occur in a population. He reviews the population genetics and camouflage lab. He reviews genetic...
TED Talks
TED: Why the "wrong side of the tracks" is usually the east side of cities | Stephen DeBerry
What do communities on the social, economic and environmental margins have in common? For one thing, they tend to be on the east sides of cities. In this short talk about a surprising insight, anthropologist and venture capitalist...
TED-Ed
TED-Ed: If molecules were people - George Zaidan and Charles Morton
When molecules collide, chemical reactions can occur -- causing major structural changes akin to getting a new arm on your face! George Zaidan and Charles Morton playfully imagine chemical systems as busy city streets, and the colliding...
3Blue1Brown
Dot products and duality: Essence of Linear Algebra - Part 9 of 15
What is the dot product? What does it represent? Why does it have the formula that it does? All this is explained visually.
SciShow
Could We Hide The Earth?
Theoretically, we could hide the Earth from faraway telescopes, using a properly placed laser pointer.
Bozeman Science
Electric Force
In this video Paul Andersen explains how electric force on an object inside a field can be calculated by multiplying the charge of the object (in C) times the electric field strength (in N/C).
TED-Ed
TED-Ed: How to detect a supernova - Samantha Kuula
Just now, somewhere in the universe, a star exploded. In fact, a supernova occurs every second or so in the observable universe. Yet, we’ve never actually been able to watch a supernova in its first violent moments. Is early detection...
TED-Ed
TED-ED: Why the Arctic is climate change's canary in the coal mine - William Chapman
The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region can be both an early indicator of the climate of the rest of the Earth and a driver for weather...
SciShow
How Do Curveballs Change Direction in Midair?
It’s amazing how professional baseball players can throw very fast curveballs, but do you know how do curveballs change direction in midair?
SciShow
The Tiny Experiment That Transformed Physics
In 1956, a team of scientists conducted an experiment that, seemed kind of trivial, but the results would challenge one of our fundamental beliefs about the entire universe.
SciShow
How to Tilt a Black Hole
It seems the more we learn about black holes, the more there is to find out. In this case, what in the universe could have put one on its side?
TED Talks
Elizabeth Lindsey: Curating humanity's heritage
It's been said that when an elder dies, it's as if a library is burned. Anthropologist Elizabeth Lindsey, a National Geographic Fellow, collects the deep cultural knowledge passed down as stories and lore.
Bozeman Science
Work Energy Principle
In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...
Bozeman Science
Free Body Diagrams
Mr. Andersen shows you how to draw free body diagrams of various objects. The major forces (like gravity, normal, tension, friction, air resistance, etc.) are discussed and then applied to various problems.
SciShow
Why Scientists are Giving Robots Human Muscles
Human-robot hybrids are advancing quickly, but the applications aren't just for complete synthetic humans. There's a lot we can learn about ourselves in the process.
SciShow
The Ghostly Particles That May Have Unbalanced the Universe
Almost all matter in the universe should have been annihilated shortly after the Big Bang, but looking around, we see galaxies, stars, planets, and, you know... us. So obviously that didn't happen, and the why of it may have something to...
MinutePhysics
Extraterrestrial Cycloids - Why Are They on Europa?
Thanks to the James Webb Space Telescope (JWST) and Space Telescope Science Institute for supporting this video. This video is about the cycloid curves on Jupiter's moon Europa - they're ridges or valleys in the icy surface that formed...
TED Talks
TED: How a handful of tech companies control billions of minds every day | Tristan Harris
A handful of people working at a handful of tech companies steer the thoughts of billions of people every day, says design thinker Tristan Harris. From Facebook notifications to Snapstreaks to YouTube autoplays, they're all competing for...
TED Talks
TED: Don't call people out -- call them in | Loretta J. Ross
We live in a call-out culture, says activist and scholar Loretta J. Ross. You're probably familiar with it: the public shaming and blaming, on social media and in real life, of people who may have done wrong and are being held...
TED-Ed
TED-Ed: How do hard drives work? - Kanawat Senanan
The modern hard drive is an object that can likely hold more information than your local library. But how does it store so much information in such a small space? Kanawat Senanan details the generations of engineers, material scientists,...