Why Does San Diego's Ocean Glow Blue?
Season 43
Episode 3
About the Episode
Just off San Diego's shore, single-celled algae called dinoflagellates start to reproduce and if disturbed, a chemical reaction within the cell creates a tiny spark of light. When the conditions are right, the algae multiply and the coastal waters glow blue.
Aired:
| Expires: | Runtime: 1m 53s
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Extras
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Capturing San Diego: America's Wildest City
Go behind the scenes with filmmakers as they capture San Diego's incredible biodiversity.12:08 -
Desert Lion Cubs Hunt at Night
After discovering an oasis, the orphan lions develop an unusual hunting strategy.3:27 -
Preview of Attenborough’s Life Journey
An intimate portrait of Sir David Attenborough’s life and career in natural history.0:30 -
Extraordinary Lion Behavior Caught on Camera
Orphan cubs find their way to the beach, where they discover a new kind of prey: seals.3:16 -
Young Lioness Learns to Hunt Giraffes
As a young lioness reconnects with her aunt, she is taught how to hunt giraffes.1:28 -
Filming Transylvania's Elusive Wildlife
Irish director John Murray sets out to reveal the natural wonders of Transylvania.8:25 -
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Roadrunner Hunts Hungry Hummingbirds
Like the cartoon, the real roadrunner is clever -- and also a hunter.2:01 -
Preview of Lions of the Skeleton Coast
Follow three orphaned desert lion cubs as they navigate the brutal Skeleton Coast of Namibia.0:30 -
