Crash Course
Alkene Redox Reactions - Crash Course Organic Chemistry
Oxidation-reduction reactions are going on around us, and inside us, all the time, and we can make redox reactions in organic chemistry easier to understand by tracking carbon-oxygen bonds. In this episode of Crash Course Organic...
Crash Course
Alkene - Addition Reactions - Crash Course Organic Chemistry
Like a trendy dance, a fighting combo, or a secret handshake, organic reactions can be broken down into simpler steps. In this episode of Crash Course Organic Chemistry, we’ll specifically be looking at alkene addition reactions, and...
Crash Course
Probability Part 2 Updating Your Beliefs with Bayes - Crash Course Statistics
Today we're going to introduce bayesian statistics and discuss how this new approach to statistics has revolutionized the field from artificial intelligence and clinical trials to how your computer filters spam! We'll also discuss the...
Crash Course
3D Structure and Bonding - Crash Course Organic Chemistry
The organic molecules that make up life on Earth are more than just the 2-D structures we’ve been drawing so far. Molecules have 3-D shapes that help us understand what they can do. In this episode of Crash Course Organic Chemistry,...
TED Talks
Katharine Hayhoe: The most important thing you can do to fight climate change: talk about it
How do you talk to someone who doesn't believe in climate change? Not by rehashing the same data and facts we've been discussing for years, says climate scientist Katharine Hayhoe. In this inspiring, pragmatic talk, Hayhoe shows how the...
Bozeman Science
AP Biology Practice 6 - Scientific Explanations and Theories
In this video Paul Andersen explains how scientific theories are created and modified over time. He starts by discussing the theory of natural selection as a model for the creation and modification of theories. He gives examples of...
Bozeman Science
A Beginner's Guide to Graphing Data
Paul Andersen explains how graphs are used to visually display data that is collected in experimentation. He describes five main types of graphs; line graph, scatter plot, bar graph, histogram and pie chart. He describes the important...
Bozeman Science
Practice 5 - Using Mathematics and Computational Thinking
Paul Andersen explains how mathematics and computational thinking can be used by scientists to represent variables and by engineers to improve design. He starts by explaining how mathematics is at the root of all sciences. He then...
Crash Course
Introduction to Media Literacy: Crash Course Media Literacy
First thing’s first: what is media literacy? In our first episode, Jay breaks this question down and explains how we’re going to use it to explore our media saturated world.
TED Talks
TED: Why are stolen African artifacts still in Western museums? | Jim Chuchu
African artifacts shown in museums worldwide are often not borrowed, but stolen -- and TED Fellow Jim Chuchu is on a mission to get them back. Learn the sordid history behind how many of the collections in the West came to be, Chuchu's...
Crash Course
Henrietta Lacks, the Tuskegee Experiment, and Ethical Data Collection - Crash Course Statistics
Today we’re going to talk about ethical data collection. From the Tuskegee syphilis experiments and Henrietta Lacks’ HeLa cells to the horrifying experiments performed at Nazi concentration camps, many strides have been made from...
Bozeman Science
Concept 3 - Scale, Proportion, and Quantity
In this video Paul Andersen explains the importance of scale in science and engineering. The Universe varies in size along three scales: size, timespan, and energy. Many phenomenon are too small and fast, or two large and slow to...
TED Talks
TED: 3 tips for leaders to get the future of work right | Debbie Lovich
Work that's dictated by a fixed schedule, place and job description doesn't make sense anymore, says leadership expert Debbie Lovich. In light of the cultural shift towards remote work sparked by the pandemic, Lovich gives three...
Crash Course
Test Statistics - Crash Course Statistics
Test statistics allow us to quantify how close things are to our expectations or theories. Instead of going on our gut feelings, they allow us to add a little mathematical rigor when asking the question: “Is this random… or real?” Today,...
Crash Course
Statistics in the Courts - Crash Course Statistics
As we near the end of the series, we're going look at how statistics impacts our lives. Today, we're going to discuss how statistics is often used and misused in the courtroom. We're going to focus on three stories in which three huge...
Crash Course
What Is Statistics - Crash Course Statistics
Welcome to Crash Course Statistics! In this series we're going to take a look at the important role statistics play in our everyday lives, because statistics are everywhere! Statistics help us better understand the world and make...
Crash Course
What Is Organic Chemistry - Crash Course Organic Chemistry
Organic chemistry is pretty much everywhere! In this episode of Crash Course Organic Chemistry, we’re talking about the amazing diversity among organic molecules. We’ll learn about the origins of organic chemistry, how to write Lewis...
Crash Course
Future Literacies: Crash Course Media Literacy
We’ve seen and discussed the ways in which the rapid pace of technological change has affected the media literacy landscape, and it’s clear that change isn’t slowing down. How will those changes affect the future of media literacy? How...
SciShow
Life on Mars
Hank reports on some new discoveries: one which points towards the existence of dark matter with the "majorana particle" and another, which points towards the existence of life on Mars. Exciting stuff!
Crash Course
Health & Medicine: Crash Course Sociology
Our final unit of Crash Course Sociology is medical sociology. Today we’ll explain what it is and get an overview of the role of society in our notions of health and disease.
Crash Course
The Impacts of Social Class: Crash Course Sociology
This week we are building on last week’s outline of American stratification to explore how class differences affect people’s daily lives. We’ll explore variations in everything from values & beliefs to health outcomes, and look at how...
Crash Course
Unsupervised Learning
Today, we’re moving on from artificial intelligence that needs training labels, called Supervised Learning, to Unsupervised Learning which is learning by finding patterns in the world. We’ll focus on the performing unsupervised...
TED Talks
Alexander Tsiaras: Conception to birth -- visualized
Image-maker Alexander Tsiaras shares a powerful medical visualization, showing human development from conception to birth and beyond. (Some graphic images.)
SciShow
New Jupiter Weirdness From Juno
Astronomers have announced the Juno space probe’s first findings from Jupiter!