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It's Okay to Be Smart

Are Some Species More Important Than Others?

We explore the universal rules of life that tie together Earth’s living systems. Traveling from Africa’s Serengeti plains to the nearly extinct prairies of the western U.S. to discover the unexpected species that determine the very existence of these places. Can an ecosystem survive without its keystone species? Can we restore endangered human cultures by bringing back a nearly-extinct ecosystem?

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Season
Is Space A Thing?
7:14
Since the days of Ancient Greece, philosophers and scientists have been asking Whats space
Why is the universe organized the way it is? And why is it so empty?
Why I ❤ PBS
2:32
Why I Love PBS.
Do You Really Have Two Brains?
4:20
Are you a left-brained person or a right-brained person? Spoiler: You’re neither.
Putting Hurricane Harvey In Perspective
3:58
How do we comprehend a storm like Hurricane Harvey? Let's put it into perspective.
DNA Doesn’t Look Like What You Think!
5:18
Learn why we can’t look directly at DNA. Find out how DNA is actually packed inside cells.
How Poop Shapes the World
3:34
Poop, throughout nature, shapes the world in ways you might not imagine.
When Is It Winter On Other Planets?
5:00
Earth has seasons, but what about the rest of the planets in the solar system?
Your Climate Conscience - feat. Al Gore
5:21
News about climate change is often full of doom, guilt, and anxiety.
Why Nature Loves Hexagons (featuring Infinite Series!)
5:58
From spirals to spots to fractals, nature is full of interesting patterns.
How Do Glaciers Move?
6:30
Glacier ice flows like a liquid, and it does that without melting!
Why Do Fireflies Have Blinky Bottoms?
4:22
This week we investigate the beautiful phenomenon of bioluminescence.
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