New York (CNN Business) Turn on the BBC America cable channel on any given Saturday from now on, and you'll see natural history programs like "Blue Planet."

The channel is adopting a new name, Wonderstruck, on Saturdays only, and "counter-programming the world with the world," Sarah Barnett says.

Barnett, the president of both the AMC Networks Entertainment Group and AMC Studios, calls Wonderstruck a "mini-network" and likens it to Adult Swim, the network that takes over the Cartoon Network at night.

Wonderstruck is billed as a 24-hour dose of "wildlife and wonder." Barnett told CNN Business that nature programming provides a "much yearned for sense of communal watching." She argued that it's also good for people's "emotional health."

"As you and your viewers know better than anyone, the division, the atomization, the polarization in our world hasn't gone away. In fact, it's exacerbated," she said.

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