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Mathematics

Can you solve the alien probe riddle?

2,556,874 Views

Mathematics

Math is the hidden secret to understanding the world - Roger Antonsen

1,891,325 Views

Science & Technology

Could the Earth be swallowed by a black hole?

1,026,071 Views

Literature & Language

Why should you read Edgar Allan Poe?

2,367,177 Views

Physical Science

Why 350°F is the magic number for baking

1,301,009 Views

Science & Technology

What would happen if every human suddenly disappeared?

5,019,696 Views

Health

How do cigarettes affect the body?

18,269,502 Views

Social Studies

Is there any truth to the King Arthur legends?

3,082,073 Views

Mathematics

Can you solve the rebel supplies riddle?

2,909,079 Views

Science & Technology

What is the universe expanding into?

1,808,249 Views

Social Studies

What I learned as a prisoner in North Korea - Euna Lee

2,987,779 Views

How language shapes the way we think - Lera Boroditsky

13,754,314 Views

Psychology

The surprising link between stress and memory

1,251,855 Views

Literature & Language

Why should you read "One Hundred Years of Solitude"?

3,850,227 Views

Psychology

What is imposter syndrome and how can you combat it?

4,615,432 Views

Mathematics

Can you solve the Leonardo da Vinci riddle?

4,203,715 Views

Social Studies

Why is Aristophanes called "The Father of Comedy"?

840,130 Views

Literature & Language

Zen kōans: unsolvable enigmas designed to break your brain

3,044,305 Views

History

What really happened to the Library of Alexandria?

2,796,849 Views

Social Studies

How the Normans changed the history of Europe

3,288,439 Views

Science & Technology

How laser tattoo removal works

16,349,689 Views

Mathematics

Can you solve the rogue AI riddle?

4,090,533 Views

Social Studies

Why don't country flags use the color purple?

10,349,746 Views

Health

Why does your voice change as you get older?

1,738,184 Views