Bozeman Science
Comparing DNA Sequences
Paul Andersen shows you how to compare DNA sequences to understand evolutionary relationships. He starts with a brief introduction to cladograms and evolutionary relationships. He shows you how to classify DNA relationships using a...
TED Talks
TED: Why a free and fair internet is more vital than ever | Priscilla Chomba-Kinywa
Without the internet, how would you have coped with the pandemic -- from work and school, to maintaining your closest relationships? In the digital age, reliance on the internet is so common and seems ubiquitous, yet billions of people...
3Blue1Brown
Cross products: Essence of Linear Algebra - Part 10 of 15
The cross product is a way to multiple to vectors in 3d. This video shows how to visualize what it means.
SciShow
Portuguese Man o' War: An Organism Made of Organisms?
When is an organism not an organism? Or, when is it a bunch of different organisms living together? SciShow introduces you to the weird world of siphonophores.
SciShow
Using Galaxy Clusters to Look Into the Past
Gravitational lensing has given us a look at a galaxy in the very, very distant cosmic past using x-ray light, and NASA finally got its ICON mission off the ground!
SciShow
Could we Have Universal Flu Vaccine?
Researchers are developing a flu vaccine with the potential to target many different strains at once. Also, bacterial meningitis may have something to do with special RNA.
TED Talks
Kakenya Ntaiya: Empower a girl, transform a community
Kakenya Ntaiya turned her dream of getting an education into a movement to empower vulnerable girls and bring an end to harmful traditional practices in Kenya. Meet two students at the Kakenya Center for Excellence, a school where girls...
Curated Video
Social Orders and Creation Stories: Crash Course World Mythology
In which Mike Rugnetta sits you down for a little talk about myth as a way to construct or reinforce social orders. Specifically, we're going to look today at stories from around the world that establish or amplify the idea that the...
TED Talks
TED: The next manufacturing revolution is here | Olivier Scalabre
economic growth has been slowing for the past 50 years, but relief might come from an unexpected place -- a new form of manufacturing that is neither what you thought it was nor where you thought it was. Industrial systems thinker...
PBS
The Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
Our universe is prone to increasing disorder and chaos. So how did it generate the extreme complexity we see in life? Actually, the laws of physics themselves may demand it.
Crash Course
Presidential Powers 2: Crash Course Government and Politics
This week Craig continues our conversation on presidential powers by looking at those NOT found in the Constitution - implied or inherent powers. We’ll talk about how the president uses his or her power to negotiate executive agreements,...
Be Smart
Why Your Brain Is In Your Head
Part 1 of 3 in my series about why our bodies are shaped the way they are.
TED Talks
David Brooks: Should you live for your résumé ... or your eulogy?
Within each of us are two selves, suggests David Brooks in this meditative short talk: the self who craves success, who builds a résumé, and the self who seeks connection, community, love -- the values that make for a great eulogy....
SciShow
The 2 Secrets to Sending People to Mars
Hank revisits his passion for exploring the Red Planet, breaking down the two biggest challenges of sending humans to Mars: radiation and propulsion. He explains the science behind the obstacles future Mars-bound astronauts will face, as...
TED-Ed
TED-ED: What is leukemia? - Danilo Allegra and Dania Puggioni
Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when the transformation goes wrong, harmful mutations can cause the cells to start...
SciShow
Can Old Dogs Learn New Tricks?
I’t teach an old dog new tricks — but that saying might not be as trustworthy as you’d think.
SciShow
Why Do Some People Tolerate Spicy Food?
Some people can eat raw jalapeños like they're apples. Why do some people have a high tolerance for spicy food while others can't stand it?
TED-Ed
TED-ED: The power of creative constraints - Brandon Rodriguez
Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn't it?
Amoeba Sisters
Human Body Systems Functions Overview: The 11 Champions (Updated)
This is the updated Amoeba Sisters human organ systems video, which provides a brief function introduction to each of the 11 human organ systems. Table of Contents: Intro 00:00 Levels of Organization 0:49 Circulatory 1:39 Digestive 2:40...
TED-Ed
TED-ED: History vs. Cleopatra - Alex Gendler
She was the most notorious woman in ancient history, a queen who enraptured not one but two of Rome's greatest generals. But was she just a skilled seductress or a great ruler in her own right? Alex Gendler puts this controversial figure...
SciShow
Learning Mnemonics: Can You Really Hack Your Memory?
There are lots of strategies to remember information when you need it most. These are shortcuts called mnemonics.
MinuteEarth
Why Do Animals Eat Their Babies?
Sometimes, it makes sense for critters across the animal kingdom to chow down on their own young. ___________________________________________ FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic,...
Bozeman Science
The Reaction Path
In this video Paul Andersen explains how the reaction path can be described in an energy profile. Enough energy must be added to reach the activation energy required and stress the bonds. Eventually the bonds break and new bonds are...