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Be Smart
Are You Afraid of Holes?
Honeycomb. Strawberries. Flower pods. Some people find these things incredibly scary. We call this extreme fear trypophobia. But why does it exist?
Be Smart
How Ancient Ice Proves Climate Change Is Real
Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in our species’ history. But Earth’s climate has changed before. How do we know that this time we’re the cause? We...
Be Smart
Do Fish Pee?
You know you’ve wondered. Do fish actually pee? And what does that make the ocean… one big toilet?
Curated Video
The Golden Ratio and Fibonacci Sequence in Music
Since the beginning of time Phi—also known as the golden ratio—has inspired the world around us. Have you ever noticed how some pieces of music just seem to make sense? From the notes and chords to the phrasing and dynamics, they can all...
PBS
Pbs: Nova Science Now: Leeches
With this video resource, viewers follow a research biologist into the swamp to find out why leeches have such a bad reputation, and what role they play in today's environment and medical field. [11:01]
PBS
Pbs: Cold Warriors: Wolves and Buffalo
Explore the relationship between buffalo and wolves in the North American plains with this wildlife video! Join filmaker Jeff Turner as he follows one pack of wolves observing how they live together with the buffalo. [53:10]
PBS
Pbs: The Civil War: Fort Sumter
Looks at the Battle of Fort Sumter, which was the trigger that began the American Civil War. Aired 04/03/2011. [2:41]
PBS
Pbs: American Experience: The Alaskan Pipeline: You Do It: Safety
Examine sections of terrain in the Alaskan Tundra, and choose the pipeline engineering strategy that works best for each.
