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Psychology

Why do we dream?

8,753,345 Views

Design, Engineering & Technology

The ethical dilemma of self-driving cars

2,156,175 Views

Science & Technology

Why the octopus brain is so extraordinary

5,669,687 Views

Business & Economics

How exposing anonymous companies could cut down on crime

669,326 Views

Thinking & Learning

Can you solve "Einstein’s Riddle"?

13,073,644 Views

Thinking & Learning

How did clouds get their names?

898,449 Views

Social Studies

Let's make history…by recording it

217,326 Views

Thinking & Learning

What’s the difference between a scientific law and theory?

1,851,667 Views

Philosophy

Would you opt for a life with no pain?

3,312,403 Views

The Arts

How to write descriptively

5,378,609 Views

Health

What would happen if you didn’t sleep?

14,474,637 Views

Social Studies

The science behind the myth: Homer's "Odyssey"

2,867,828 Views

Health

How stress affects your brain

7,890,881 Views

Health

How mucus keeps us healthy

1,330,773 Views

Health

What makes muscles grow?

22,420,513 Views

Mathematics

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

1,648,053 Views

Design, Engineering & Technology

How do hard drives work?

2,665,576 Views

Philosophy

Who was Confucius?

1,594,839 Views

Design, Engineering & Technology

How computers translate human language

425,906 Views

Health

How stress affects your body

8,130,649 Views

Science & Technology

How a few scientists transformed the way we think about disease

737,720 Views

Health

Why do women have periods?

17,264,140 Views

Social Studies

What are the universal human rights?

3,048,853 Views

Social Studies

Where did Russia come from?

5,515,854 Views