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Health

The immortal cells of Henrietta Lacks

5,975,440 Views

Literature & Language

Where did English come from?

5,891,674 Views

Social Studies

Savitri and Satyavan: The legend of the princess who outwitted Death

5,891,031 Views

History

The rise and fall of the Mongol Empire

5,846,660 Views

Mathematics

Can you solve the control room riddle?

5,803,731 Views

History

The history of the Cuban Missile Crisis

5,750,538 Views

Thinking & Learning

Can you cheat death by solving this riddle?

5,732,031 Views

Health

Which type of milk is best for you?

5,722,806 Views

Science & Technology

Food expiration dates don’t mean what you think

5,716,160 Views

Business & Economics

Why is it so hard to escape poverty?

5,671,930 Views

Social Studies

History vs. Napoleon Bonaparte

5,671,936 Views

Science & Technology

Why the octopus brain is so extraordinary

5,666,696 Views

Health

Why do your knuckles pop?

5,662,808 Views

Social Psychology

Why do people join cults?

5,625,451 Views

Design, Engineering & Technology

What's the difference between accuracy and precision?

5,622,412 Views

Life Sciences

Why do animals have such different lifespans?

5,610,376 Views

Life Sciences

Why isn't the world covered in poop?

5,578,566 Views

Mathematics

Einstein's twin paradox explained

5,564,853 Views

Health

How does chemotherapy work?

5,546,039 Views

Health

How long should your naps be?

5,544,135 Views

Social Studies

A brief history of toilets

5,543,057 Views

Social Studies

The tale of the boy who tricked the Devil

5,537,727 Views

Life Sciences

How does caffeine keep us awake?

5,525,832 Views

Social Studies

Where did Russia come from?

5,504,364 Views