Lessons Worth Sharing | TED-Ed

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How a single-celled organism almost wiped out life on Earth - Anusuya Willis

2,706,696 Views

The mysterious origins of life on Earth - Luka Seamus Wright

1,252,743 Views

When sharks swam the Great Plains

2,242,116 Views

When giant scorpions swarmed the seas

1,727,082 Views

That time oxygen almost killed everything

1,918,916 Views

Is this the world's oldest animal fossil?

32,086 Views

How big is the ocean? | TED-Ed

2,897,094 Views

How do ocean currents work? - Jennifer Verduin

2,794,582 Views

How do oceans circulate?

319,119 Views

The life hydrologic

256,279 Views

Why does ice float in water? - George Zaidan and Charles Morton

1,853,858 Views

How to turn protest into powerful change - Eric Liu

376,970 Views

Self-assembly: The power of organizing the unorganized - Skylar Tibbits

76,940 Views

The power of diverse thinking

101,184 Views

Alaska teen moves legistlation

4,473 Views

Which voting system is the best?

1,268,276 Views

Newark will allow 16-year-olds vote for school board

643 Views

How to understand power - Eric Liu

3,606,067 Views

How to build democracy — in an authoritarian country - Tessza Udvarhelyi

40,879 Views

Social media algorithms explained

33,953 Views

Five simple strategies to sharpen your critical thinking

783,735 Views

Social Studies

The underground cities of the Byzantine Empire

528,542 Views

Health

What causes addiction, and why is it so hard to treat?

741,197 Views

Social Studies

Why was the Rosetta Stone so important?

554,574 Views