Lessons Worth Sharing | TED-Ed

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Meet the bluefin tuna, the toughest fish in the sea | TED-Ed

1,938,503 Views

The secret lives of baby fish | TED-Ed

251,082 Views

The miracle of marine snow

31,293 Views

Why are fish fish-shaped? - Lauren Sallan

609,407 Views

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

2,707,429 Views

The mysterious origins of life on Earth - Luka Seamus Wright

1,255,979 Views

When sharks swam the Great Plains

2,242,830 Views

When giant scorpions swarmed the seas

1,727,509 Views

That time oxygen almost killed everything

1,920,120 Views

Is this the world's oldest animal fossil?

32,091 Views

How big is the ocean? | TED-Ed

2,897,432 Views

How do ocean currents work? - Jennifer Verduin

2,804,054 Views

How do oceans circulate?

320,310 Views

The life hydrologic

256,923 Views

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

1,855,710 Views

How to turn protest into powerful change - Eric Liu

377,492 Views

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

76,963 Views

The power of diverse thinking

101,358 Views

How can you change someone's mind? (hint: facts aren't always enough)

2,191,584 Views

Alaska teen moves legistlation

4,477 Views

Which voting system is the best?

1,269,413 Views

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

643 Views

How to understand power - Eric Liu

3,609,177 Views

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

40,908 Views