DNA-Testing Reef Diversity

Clip: Season 42 Episode 11 | 4m 17s

Marine biologist Laetitia Plaisance investigates species diversity in two coral reefs and receives some sobering news.

Aired: 05/26/15

Rating: TV-PG

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Parenting is full of obstacles that can be hard to navigate—even without a toddler yelling at your face. There’s no instruction manual, which means discerning fact from fiction and reasonable from ridiculous can be maddening. That’s where Parentalogic comes in, a digital series from NOVA and PBS Digital Studios.