Lessons Worth Sharing | Settings

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

Mathematics

Can you solve the fortress riddle?

1,480,711 Views

Social Studies

Ugly History: The Khmer Rouge murders

2,176,182 Views

Science & Technology

How does heart transplant surgery work?

3,597,342 Views

Social Studies

3 myths about racism that keep the US from progress - Candis Watts Smith

87,295 Views

Psychological Disorders and Treatment

Why are eating disorders so hard to treat?

1,870,341 Views

Social Studies

Ugly History: The El Mozote Murders

245,429 Views

Thinking & Learning

Give yourself permission to be creative - Ethan Hawke

3,083,166 Views

Business & Economics

Do tax cuts stimulate the economy?

386,514 Views

Social Studies

The biggest mistakes in mapmaking history

1,020,267 Views

Science & Technology

Why does smoke follow you around a fire?

2,602,281 Views

Literature & Language

The Irish myth of Diarmuid’s betrayal

775,879 Views

Design, Engineering & Technology

How the Suez Canal changed the world

924,969 Views

Literature & Language

The Chinese myth of the forbidden lovers

1,118,449 Views

Mathematics

Can you solve the private eye riddle?

1,582,451 Views

Environmental Science

Where do your online returns go? - Aparna Mehta

85,039 Views

Philosophy & Religion

The dark history of zombies

988,254 Views

Science & Technology

Why are cockroaches so hard to kill?

3,884,862 Views

Social Studies

The myth of Hades and Persephone

3,453,472 Views

Philosophy

Ethical dilemma: Who should you believe?

964,678 Views

Social Studies

One day in the coldest village on Earth

50,847,507 Views

Science & Technology

If you’re scared of snakes, watch this

1,410,879 Views

Social Studies

History vs. Tamerlane the Conqueror

921,279 Views

Science & Technology

Are the Northern Lights dangerous?

497,207 Views

Mathematics

A riddle of ice and fire dragons

1,366,941 Views