Lessons Worth Sharing | Settings

You have JavaScript disabled
For the best experience, please turn JavaScript on. Here's how

Science & Technology

Whatever happened to the hole in the ozone layer?

595,996 Views

Science & Technology

How much would it cost to buy the ocean?

915,269 Views

Physical Science

How does work...work?

347,524 Views

Health

Would you sell your kidney for $100,000? | Ada, Ep. 2

211,193 Views

Design, Engineering & Technology

AI’s single point of failure - Rob Toews

229,367 Views

Thinking & Learning

Can you outsmart the fallacy that fooled a generation of doctors?

1,816,504 Views

History

How Southern socialites rewrote Civil War history

4,558,021 Views

Business & Economics

How short selling works

2,751,984 Views

Technology

The history of keeping time

250,234 Views

Motivation and Emotion

The beautiful balance between courage and fear - Cara E. Yar Khan

212,556 Views

Psychology

Do politics make us irrational?

543,260 Views

History

A brief history of cannibalism

4,989,896 Views

Life Sciences

Why do we cry? The three types of tears

6,843,227 Views

Writing/Composition

Grammar's great divide: The Oxford comma

1,776,456 Views

Media and Journalism

Big Data

598,986 Views

Health

Why do your knuckles pop?

5,661,548 Views

Data Analysis & Probability

Can you solve the counterfeit coin riddle?

8,987,989 Views

Health

How can we solve the antibiotic resistance crisis?

1,187,260 Views

Social Studies

The warrior who defeated the mighty Mughals

319,856 Views

Mathematics

How high can you count on your fingers? (Spoiler: much higher than 10)

3,484,389 Views

Emotional Health

How to practice emotional first aid - Guy Winch

5,226,835 Views

Psychology

The benefits of not being a jerk to yourself - Dan Harris

498,531 Views

Philosophy

The happy secret to better work - Shawn Achor

189,392 Views

Health

How do glasses help us see?

2,298,184 Views