NOVA

Sea Butterflies in Danger

Clip: Season 42 Episode 11 | 1m 44s

If pteropod populations decline or vanish due to rising ocean acidity, the consequences for marine life could be dire.

Aired: 05/04/15

Rating: TV-PG

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Parentalogic

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.

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