PBS television services from KTNWDT-TV, 31, Yakima, WA.

Yakima, WA KTNW PBS 31 A3 HD

Often overlooked, North America's tallgrass prairies are among the most dynamic and biodiverse ecosystems on Earth.

Life Unearthed With Ariel Waldman

Prairies: Life on the Plains

In Beacon Valley, explorer Ariel Waldman reveals hidden ecosystems that persist despite extreme conditions.

Antarctica: Life on the Rocks

PBS television services from KYVEDT-TV, 47, Yakima, WA.

Yakima, WA KYVE PBS 47 A3 HD

Set in Antarctica's Dry Valleys, Antarctica's glacial and icy ecosystems reveal how frozen landscapes can sustain surprising life forms.

Antarctica: Life Under the Ice

Following Ariel Waldman's solo expedition through Antarctica's extreme environments as she documents the thriving microscopic wildlife beneath the ice.

Antarctica: Life at the Edge

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Revealing Earth's ecosystems through radical shifts in scale, from microscopic wildlife to the planet's most iconic animals.

S1 E3 | Antarctica: Life on the Rocks