04:34

Science & Technology

Why do your jeans wear out so quickly?

Lesson duration 04:34

372,818 Views

05:19

Design, Engineering & Technology

Yes, scientists are actually building an elevator to space

Lesson duration 05:19

820,942 Views

06:04

Social Studies

Why are US cities still so segregated?

Lesson duration 06:04

471,317 Views

04:46

Health

Is soy bad for you?

Lesson duration 04:46

626,805 Views

04:02

Business & Economics

What’s the best country to live in?

Lesson duration 04:02

748,756 Views

05:22

Literature & Language

A brief history of Spanish

Lesson duration 05:22

587,999 Views

05:06

Design, Engineering & Technology

Why a sausage can do what your gloves cannot

Lesson duration 05:06

1,732,104 Views

05:06

Social Studies

The rise and fall of the medieval Islamic Empire

Lesson duration 05:06

1,937,741 Views

08:48

Science & Technology

How the James Webb Space Telescope will unfold the universe - John C. Mather

Lesson duration 08:48

410,734 Views

05:43

Business & Economics

These companies with no CEO are thriving

Lesson duration 05:43

316,310 Views

14:06

Technology

How gaming can be a force for good - Noah Raford

Lesson duration 14:06

86,689 Views

05:35

Design, Engineering & Technology

Is this the most beautiful building in the world?

Lesson duration 05:35

837,578 Views