Lessons Worth Sharing | Settings

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

Health

This is the most common way to get head lice

95,125 Views

Design, Engineering & Technology

The century-old technology that could change the world

96,555 Views

Health

You might be surprised by what you'd find in your pores

219,701 Views

Social Studies

The tale of the brothers who outwitted the demon queen

213,760 Views

Health

Why daylight is the secret to great sleep - Christine Blume

80,102 Views

Health

Which species would you get rid of? | Ada, Ep. 5

134,947 Views

Design, Engineering & Technology

How are microchips made?

292,501 Views

Science & Technology

Can we actually control superintelligent AI? | Ada, Ep. 4

156,785 Views

Psychology

Can you "see" images in your mind? Some people can't

996,903 Views

Health

Should we get rid of pregnancy? | Ada, Ep. 3

205,625 Views

Social Studies

The tragic romance of Tristan and Isolde

233,072 Views

Health

Would you sell your kidney for $100,000? | Ada, Ep. 2

198,052 Views

Psychology

Why you feel stuck — and how to get motivated

633,287 Views

Science & Technology

How to survive the apocalypse | Ada, Ep. 1

193,909 Views

Science & Technology

Is the Amazon Rainforest disappearing?

220,982 Views

Design, Engineering & Technology

Have we reached the limit of computer power?

298,771 Views

Health

What actually causes high cholesterol?

892,991 Views

Social Studies

The history of the world according to rats

340,794 Views

Health

One of the most controversial medical procedures in history

611,263 Views

Science & Technology

Why does everything decay into lead?

2,447,370 Views

Social Studies

The dark history of arsenic

433,011 Views

Social Studies

A day in the life of a martial artist in medieval China

211,368 Views

Health

Do you really need to take 10,000 steps a day?

5,859,935 Views

Psychology

How some friendships last — and others don’t

911,477 Views