SciShow
Why Do Women Live Longer Than Men?
Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.
Crash Course
The Rise of the West and Historical Methodology: Crash Course World History
In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first he has to tell you what the West is. And then he has to explain the Rise of...
Crash Course
The Economics of Death: Crash Course Econ
We need to have a talk about your future. You're going to die. We all are. And it's probably going to be expensive. This week on CC Econ, Adriene is talking about the economics of death. Some of the expense is tied to the cost of...
TED Talks
Yasheng Huang: Does democracy stifle economic growth?
Economist Yasheng Huang compares China to India, and asks how China's authoritarian rule contributed to its astonishing economic growth -- leading to a big question: Is democracy actually holding India back? Huang's answer may surprise you.
TED Talks
TED: How economic inequality harms societies | Richard Wilkinson
We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, and shows what gets worse when rich and poor are too far apart: real effects on health,...
SciShow
Why Do I Have to Brush My Teeth?
There are a few reasons that modern humans have to brush our teeth to stay healthy, even though our primate cousins don’t. Grab your floss and find the answers inside!
TED-Ed
TED-Ed: What's the best country to live in? | TED-Ed
What's the best country to live in? Is it the one with the best food? The longest life expectancy? The best weather? For the past 70 years, most governments have relied heavily on a single number: the Gross Domestic Product, or GDP. But...
TED Talks
Emily Oster: Flip your thinking on AIDS in Africa
Emily Oster re-examines the stats on AIDS in Africa from an economic perspective and reaches a stunning conclusion: Everything we know about the spread of HIV on the continent is wrong.
TED Talks
Hans Rosling: The best stats you've ever seen
You've never seen data presented like this. With the drama and urgency of a sportscaster, statistics guru Hans Rosling debunks myths about the so-called "developing world."
TED Talks
Charles Robertson: Africa's next boom
The past decade has seen slow and steady economic growth across the continent of Africa. But economist Charles Robertson has a bold thesis: Africa's about to boom. He talks through a few of the indicators -- from rising education levels...
TED Talks
Vikram Patel: Mental health for all by involving all
Nearly 450 million people are affected by mental illness worldwide. In wealthy nations, just half receive appropriate care, but in developing countries, close to 90 percent go untreated because psychiatrists are in such short supply....
TED Talks
Dan Ariely: How equal do we want the world to be? You'd be surprised
The news of society's growing inequality makes all of us uneasy. But why? Dan Ariely reveals some new, surprising research on what we think is fair, as far as how wealth is distributed over societies ... then shows how it stacks up to...
Crash Course
Global Stratification & Poverty: Crash Course Sociology
This week we’re taking our discussion of stratification global. We’ll look at First and Third World countries and the reasons why these terms are no longer used. We’ll introduce the four types of country categories we now use: high...
MinuteEarth
How Long Did People Use To Live?
By analyzing survivorship curves over the centuries, we can learn what’s changed about how - and when - humans die.
MinuteEarth
The Problem With Life Expectancy
In order to truly understand differences among animal lifespans, we need to stop thinking about a specific number and start thinking about a distribution.
TED Talks
Laura Carstensen: Older people are happier
In the 20th century we added an unprecedented number of years to our lifespans, but is the quality of life as good? Surprisingly, yes! Psychologist Laura Carstensen shows research that demonstrates that as people get older they become...
TED-Ed
TED-ED: Why do animals have such different lifespans? - Joao Pedro de Magalhaes
For the microscopic lab worm C. elegans, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to 'age'...
SciShow
Why Do Women Live Longer Than Men?
Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.
TED Talks
Hans Rosling: Let my dataset change your mindset
Talking at the US State Department this summer, Hans Rosling uses his fascinating data-bubble software to burst myths about the developing world. Look for new analysis on China and the post-bailout world, mixed with classic data shows.
TED Talks
Dan Buettner: How to live to be 100+
To find the path to long life and health, Dan Buettner and team study the world's "Blue Zones," communities whose elders live with vim and vigor to record-setting age. In his talk, he shares the 9 common diet and lifestyle habits that...
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,...
TED Talks
TED: How humanity doubled life expectancy in a century | Steven Johnson
Doubling human life expectancy in a century is our greatest achievement, says author Steven Johnson. How did we make it happen -- and can we keep it going? Backed by fascinating historical anecdotes, he shares some life-lengthening...
Crash Course
The Dark Ages...How Dark Were They, Really Crash Course World History
John Green teaches you about the so-called Dark Ages, which it turns out weren't as uniformly dark as you may have been led to believe. While Europe was indeed having some issues, many other parts of the world were thriving and...
Curated Video
Exploring the World of Elephants: Facts, Threats, and Trivia
In this video, the teacher explores the fascinating world of elephants, highlighting their importance, threats they face, and their unique characteristics. The video provides interesting facts about both African and Asian elephants,...