NOVA

These Boulders are Alive

Clip: Season 42 Episode 21 | 2m 48s

Dive down to rare stromatolites—key clues to the evolution of virtually all complex life.

Aired: 11/11/15

Rating: NR

Problems Playing Video? | Closed Captioning

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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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