Crash Course
The Central Processing Unit (CPU): Crash Course Computer Science
Today we’re going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU’s job is to execute the programs we know and love - you know like GTA V, Slack... and Power Point. To make our CPU we’ll bring...
Crash Course
When Predictions Succeed - Crash Course Statistics
In our series finale, we're going to take a look at some of the times we've used statistics to gaze into our crystal ball, and actually got it right! We'll talk about how stores know what we want to buy (which can sometimes be a good...
Crash Course
Social Mobility: Crash Course Sociology
Today we’re exploring social mobility in some more depth. We’ll look at intergenerational and intragenerational mobility and the difference between absolute and relative mobility. We’ll go over the long run upward social mobility trends...
Crash Course
Regression - Crash Course Statistics
Today we're going to introduce one of the most flexible statistical tools - the General Linear Model (or GLM). GLMs allow us to create many different models to help describe the world - you see them a lot in science, economics, and...
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...
Crash Course
Sampling Methods and Bias with Surveys - Crash Course Statistics
Today we’re going to talk about good and bad surveys. From user feedback surveys, telephone polls, and those questionnaires at your doctors office, surveys are everywhere, but with their ease to create and distribute, they're also...
Crash Course
Playing with Power P-Values Pt 3 - Crash Course Statistics
We're going to finish up our discussion of p-values by taking a closer look at how they can get it wrong, and what we can do to minimize those errors. We'll discuss Type 1 (when we think we've detected an effect, but there actually isn't...
TED Talks
TED: Europe's plan to become the first carbon-neutral continent | Ursula von der Leyen
With the ambitious goal of becoming the first carbon-neutral continent by 2050, the European Union has committed to creating a greener world for future generations. In this bold talk, Ursula von der Leyen, President of the European...
MinuteEarth
The Super Secrets of Sewage
In 2020, many cities started monitoring wastewater for viruses, and there are a lot of non-virus reasons to keep doing it.
SciShow
What Do You Learn When You Touch the Sun?
Though our Sun is something we can count on to rise and set each day, it also comes with some phenomena that can catch us by surprise: solar winds. To better predict when these winds will travel all the way to Earth, we sent the Parker...
Crash Course
History of Media Literacy, Part 2: Crash Course Media Literacy
Jay continues our journey through the history of media literacy with the arrival of movies, television, and the other screens that now permeate our lives – along with some of the different approaches to media literacy that these...
Crash Course
Theories About Family & Marriage: Crash Course Sociology
Today we’ll explore how sociology defines family and the different terms used to describe specific types of family. We’ll look at marriage in different societies, as well as marital residential patterns and patterns of descent. And, of...
SciShow
We Found Two Planets Using Artificial Intelligence!
Artificial Intelligence has helped astronomers discover 2 new planets in systems that we'd already looked at, and new theories about how Mars lost some of its water have surfaced.
Crash Course
Population Health: Crash Course Sociology
We’re continuing our unit on health with a discussion of some of the indicators that help us measure health for different populations. We’ll also explore three contributors to health disparities: individual factors like genetics,...
Crash Course
Politics: Crash Course Sociology
While politics is generally seen as the domain of a civics class (and Craig did a great job of teaching US Government & Politics elsewhere on this channel!) it’s something that sociology is interested in too. Today we’re looking at the...
Crash Course
Symbols, Values & Norms: Crash Course Sociology
What exactly is culture? This week we’re going to try to answer that, and explain the difference between material and non-material culture. We’ll look at three things that make up culture: symbols, values and beliefs, and norms. We’ll...
TED Talks
Anne Milgram: Why smart statistics are the key to fighting crime
When she became the attorney general of New Jersey in 2007, Anne Milgram quickly discovered a few startling facts: not only did her team not really know who they were putting in jail, but they had no way of understanding if their...
TED Talks
TED: How new technology helps blind people explore the world | Chieko Asakawa
How can technology help improve our quality of life? How can we navigate the world without using the sense of vision? Inventor and IBM Fellow Chieko Asakawa, who's been blind since the age of fourteen, is working on answering these...
Bozeman Science
Student's t-test
In this video Paul Andersen explains how to run the student's t-test on a set of data. He starts by explaining conceptually how a t-value can be used to determine the statistical difference between two samples. He then shows you how to...
SciShow
Solving the 70 Million Year “Gap” in Flower Evolution
More than 90% of the plants on Earth are angiosperms, flowering plants whose seeds are enclosed inside fruit. And they’re everywhere -- but exactly how and when these plants came to be so ubiquitous is one of the most stubborn questions...
TED Talks
TED: What your smart devices know (and share) about you | Kashmir Hill and Surya Mattu
Once your smart devices can talk to you, who else are they talking to? Kashmir Hill and Surya Mattu wanted to find out -- so they outfitted Hill's apartment with 18 different internet-connected devices and built a special router to track...
Crash Course
You Know I’m All About that Bayes - Crash Course Statistics
Today we’re going to talk about Bayes Theorem and Bayesian hypothesis testing. Bayesian methods like these are different from how we've been approaching statistics so far, because they allow us to update our beliefs as we gather new...
MinutePhysics
Protecting Privacy with MATH (Collab with the Census)
This video was made in collaboration with the US Census Bureau and fact-checked by Census Bureau scientists. Any opinions and errors are my own. For more information, visit...
Crash Course
How P-Values Help Us Test Hypotheses - Crash Course Statistics
Today we're going to begin our three-part unit on p-values. In this episode we'll talk about Null Hypothesis Significance Testing (or NHST) which is a framework for comparing two sets of information. In NHST we assume that there is no...