Lessons Worth Sharing | Settings

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

Health

How stress affects your brain

7,861,951 Views

Environmental Science

How I teach kids to love science - Cesar Harada

8,815 Views

Health

Why can’t some people stop fidgeting?

241,095 Views

Earth and Space Science

The amazing life of sand

983,832 Views

Health

How mucus keeps us healthy

1,327,225 Views

Health

What makes muscles grow?

22,336,993 Views

Mathematics

Group theory 101: How to play a Rubik’s Cube like a piano

1,646,779 Views

Design, Engineering & Technology

How do hard drives work?

2,660,191 Views

Social Studies

A British soldier spared Hitler's life

2,423,185 Views

Philosophy

Who was Confucius?

1,588,145 Views

Design, Engineering & Technology

How computers translate human language

425,623 Views

Health

How stress affects your body

8,101,623 Views

Design, Engineering & Technology

Real Beauty

12,084,335 Views

Design, Engineering & Technology

Want to survive a hurricane? Think like a tree...

78,963 Views

Science & Technology

How a few scientists transformed the way we think about disease

734,089 Views

Health

Why do women have periods?

17,256,764 Views

Psychology

How quickly do you judge a face?

81,040 Views

Social Studies

What are the universal human rights?

3,029,588 Views

Social Studies

Where did Russia come from?

5,503,236 Views

Science & Technology

The race to sequence the human genome

618,744 Views

Science & Technology

Where does gold come from?

8,186,939 Views

Science & Technology

FOG: Clearing up the confusion

11,030 Views

Social Studies

How can countries measure the well-being of their citizens?

256,878 Views

Psychology

3 tips to boost your confidence

10,601,127 Views