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The City Dark: How Lights Can Confuse Baby Turtles

Clip: Season 25 Episode 3 | 4m 42s

After having evolved to go toward the brightest sky (which was naturally over the ocean due to reflecting starlight) after hatching, turtle hatchlings now struggle to make it to the ocean because the glow from electric lights is much stronger.

Aired: 07/05/12

Rating: NR

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