Bozeman Science
Response to External Environments
Paul Andersen explains how organisms respond to the external environment. He begins with a discussion of behavioral responses like hibernation and migration. He ends with a discussion of physiological responses like shivering and...
SciShow
The 10 Oldest Fossils, and What They Say About Evolution
Wouldn’t it be cool to be able to point at a fossil and know that it’s the first, say, plant? Well... yeah! But it's not that easy! Scientists are always making new discoveries that throw all our old assumptions into question, but we've...
TED Talks
David Kelley: Human-centered design
IDEO's David Kelley says that product design has become much less about the hardware and more about the user experience. He shows video of this new, broader approach, including footage from the Prada store in New York.
SciShow
Mice That Resist Cocaine Addiction
Sometimes we learn the coolest stuff by being wrong! This week, we learned we were wrong about birds always laying eggs and mice being addicted to cocaine!
SciShow
We May Have Solved Our Burping Cows Problem
When a bunch of cows burp they can exhale a lot of methane that affects the global warming problem. Researchers are working on finding solutions for it.
TED-Ed
TED-Ed: The method that can "prove" almost anything | James A. Smith
In 2011, a group of researchers conducted a study designed to find an impossible result. Their study involved real people, truthfully reported data, and commonplace statistical analyses. So how did they do it? The answer lies in a...
SciShow
How Stereotypes Affect Your Test Scores
It turns out stereotypes can affect you-whether you believe in them or not.
Crash Course
Hydrocarbon Derivatives - Crash Course Chemistry
Functional groups? Functional groups within functional groups? Hank takes today's Crash Course video to discuss some confusing ideas about Hydrocarbon Derivatives, but then makes it all make more sense.
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Table of Contents
Alcohols...
SciShow
Why It's So Hard to Admit You're Wrong | Cognitive Dissonance
Sometimes our behavior and our beliefs just… don’t match. And a lot of times this mismatch can lead to stress. What’s happening in our brains when we’re inconsistent? Can we learn anything from this discomfort?
Crash Course
Discrimination: Crash Course Philosophy
Is it OK to discriminate? Do you do it? Is it always wrong or are there cases where it can be acceptable? Today we’re talking through several tricky cases and different philosophical perspectives on this issue.
TED Talks
Marisa Fick-Jordan: The wonder of Zulu wire art
In this short, image-packed talk, Marisa Fick-Jordan talks about how a village of traditional Zulu wire weavers built a worldwide market for their dazzling work.
TED-Ed
TED-ED: Buffalo buffalo buffalo: One-word sentences and how they work - Emma Bryce
Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo' is a grammatically correct sentence. How? Emma Bryce explains how this and other one-word sentences illustrate some lexical ambiguities that can turn ordinary words and...
TED Talks
Yvonne van Amerongen: The "dementia village" that's redefining elder care
How would you prefer to spend the last years of your life: in a sterile, hospital-like institution or in a village with a supermarket, pub, theater and park within easy walking distance? The answer seems obvious now, but when Yvonne van...
Crash Course Kids
Organizing Properties
Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though...
TED-Ed
TED-Ed: The mathematical secrets of Pascal's triangle - Wajdi Mohamed Ratemi
Pascal's triangle, which at first may just look like a neatly arranged stack of numbers, is actually a mathematical treasure trove. But what about it has so intrigued mathematicians the world over? Wajdi Mohamed Ratemi shows how Pascal's...
TED Talks
Keren Elazari: Hackers: the Internet's immune system
The beauty of hackers, says cybersecurity expert Keren Elazari, is that they force us to evolve and improve. Yes, some hackers are bad guys, but many are working to fight government corruption and advocate for our rights. By exposing...
Bozeman Science
Cladograms
Paul Andersen shows you how to construct a cladogram from a group of organisms using shared characteristics. He also discusses the process of parsimony in cladogram construction. He then explains how modern cladograms are constructed and...
Crash Course
Race, Ethnicity, and the Cultural Landscape: Crash Course Geography
Sometimes culture can seem invisible like when we're surrounded by signals that tell us we're with others who are like us, but if we live or travel somewhere where the traits that define social norms are not our traits, culture can...
SciShow
Noise Pollution Is a Bigger Deal Than Youd Think
Humans make a lot of noise! Transportation, industries, & how we work and play in natural spaces all have an impact on the sound we put out every day, and all this noise pollution is disrupting how animals use sound to communicate.
TED-Ed
TED-ED: Do politics make us irrational? - Jay Van Bavel
Can someone’s political identity actually affect their ability to process information? The answer lies in a cognitive phenomenon known as partisanship. While identifying with social groups is an essential and healthy part of life, it can...
TED Talks
TED: How young people join violent extremist groups -- and how to stop them | erin Marie Saltman
Terrorists and extremists aren't all naturally violent sociopaths -- they're deliberately recruited and radicalized in a process that doesn't fit into a neat pattern. erin Marie Saltman discusses the push and pull factors that cause...
Crash Course
Intro to Electrophilic Aromatic Substitution: Crash Course Organic Chemistry
We’ve talked about benzene a bit already in this series, but did you know that benzene rings are present in all kinds of familiar substances? The styrofoam packaging that comes with new appliances, some pharmaceuticals, pesticides, and...
Crash Course
Aromatics and Cyclic Compounds - Crash Course Chemistry
What's that smell? Smell's like Organic Chemistry! This week Hank talks about Aromatics and Cyclic Compounds and naming their substituents, resonance as well as common reactions & uses.
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Table of Contents
Cyclic Organic Compounds &...
TED-Ed
TED-ED: What happened to trial by jury? - Suja A. Thomas
In the United States today, juries decide less than 4% of criminal cases and less than 1% of civil cases filed in court. At the same time, jury systems in other countries are growing. So what happened in the US? And could the...