Bozeman Science
LS4B - Natural Selection
In this video Paul Andersen defines natural selection as differential reproductive success. He then explains how natural selection shapes organisms on our planet through variation and selection. A K-12 teaching progression is also included.
SciShow
Quiz Show with Caitlin Hofmeister
Welcome back to Scishow Quizshow! In this episode Hank Green and Caitlin Hofmeister go head to head to compete for subbable subscribers.
TED Talks
TED: What we don't know about Europe's Muslim kids | Deeyah Khan
As the child of an Afghan mother and Pakistani father raised in Norway, Deeyah Khan knows what it's like to be a young person stuck between your community and your country. In this powerful, emotional talk, the filmmaker unearths the...
Crash Course
Age of Jackson Crash Course US History
In which John Green teaches you about the presidency of Andrew Jackson So how did a president with astoundingly bad fiscal policies end up on the $20 bill? That's a question we can't answer, but we can tell you how Jackson got to be...
Bozeman Science
AP Biology Lab 8: Population Genetics and Evolution
Mr. Andersen explains Hardy-Weinberg equilibrium and describes the bead lab.
TED-Ed
TED-ED: Mary's Room: A philosophical thought experiment - Eleanor Nelsen
Imagine a neuroscientist who has only ever seen black and white things, but she is an expert in color vision and knows everything about its physics and biology. If, one day, she sees color, does she learn anything new? Is there anything...
SciShow Kids
Why Are Flamingos Pink? | The Science of Colors! | SciShow Kids
Mister Brown and Squeaks learn all about the awesome flamingo - and find out what makes them pink! Next Generation Science Standards Crosscutting Concept: Cause and Effect: Events have causes, sometimes simple, sometimes multifaceted....
SciShow Kids
Why Does Hair Turn Gray?
Hair can be so many different colors, but why do so many adults have gray hair?
SciShow
Barbara McClintock: Great Minds
Hank tells us about another great mind in science - Barbara McClintock won the Nobel Prize in Physiology for her discovery of mobile genetic elements and remains the only woman to receive an unshared prize in that category.
SciShow
Cyborg Eyes and Stumpy the Dumpy Tree Frog: SciShow Talk Show #11
SciShow graphics guy Louey Winkler discusses LED contact lenses and the implications of enhancing and assisting human beings with technology, and then attempts to stump Hank with a physics riddle. Jessi from Animal Wonders shares Stumpy...
SciShow
How Do Blacklights Make Things Glow?
Join Hank Green as he explains why blacklights make some things glow!
Crash Course
The Underground Railroad Crash Course Black American History
Escape was one of the many ways that enslaved people resisted their captivity in the system of American slavery. The Underground Railroad was not literally a railroad. It was a network of people, routes, and safe houses that helped...
TED Talks
TED: How to heal a divided world | Michèle Lamont
How do we define worth in society, and who gets status? Sociologist Michele Lamont studies these questions and investigates ways to broaden the circle of recognition and fight the harm of social stigmatization. She lays out the steps...
Crash Course
The Transatlantic Slave Trade Crash Course Black American History
Today we're learning about the Transatlantic Slave Trade, which brought millions of captive Africans to the Americas between the 16th and 19th centuries, with the largest number of people trafficked between 1700 and 1808. We'll look at...
Crash Course
Karl Popper, Science, & Pseudoscience: Crash Course Philosophy
The early 1900s was an amazing time for Western science, as Albert Einstein was developing his theories of relativity and psychology was born, as Sigmund Freud and psychoanalysis took over the scientific mainstream. Karl Popper observed...
Crash Course
The Poetry of Sylvia Plath: Crash Course Literature 216
In which John Green teaches you about the poetry of Sylvia Plath. When a lot of people think about Sylvia Plath, they think about her struggles with mental illness and her eventual suicide. Her actual work can get lost in the shuffle a...
SciShow
Is Everyone A Little Bit Racist? - Implicit Bias
Many companies have offered diversity trainings to teach their employees about implicit biases. But what does that mean, and is it really helping anything?
Bozeman Science
Thinking in Matter & Energy - Level 5 - Cycles and Flows
In this video Paul Andersen shows conceptual thinking in a mini-lesson on cycles and flows in matter and energy. Two examples are included in the video and two additional examples are included in the linked thinking slides. TERMS Cycling...
SciShow
The Science of Sunbeams
Sunbeams shooting down through the clouds make for some great photographs, but what's the science behind these beautiful rays of light?
SciShow
The "Disease" That Struck Medieval Church Organs
During long, cold winters in medieval Europe, church organs grew gray, sickly-looking circles that spread over their pipes. People back then believed that this was the work of the devil, but as it turns out, it’s just some pretty simple...
SciShow
Why Can Applesauce Replace Butter? And Oil? And Eggs?
Bakers will sometimes replace the butter, oil, or eggs in their breads, muffins, and assorted tasty treats with applesauce. That pretty much sounds like culinary magic, but it's not... it's culinary SCIENCE!