Video - Extraordinary Birds

Stories from around the world of special meaning roles and remarkable talents of birds. Diana Cardea narrates

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Ep. 2: On Earth Time

Seasons, ocean currents, ice ages, carbon production; these and many other cycles govern our ...

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What Went Wrong on Mars?

Piecing together an ancient planetary puzzle of ...
Kingdoms of the Giants: Realms of Jupiter & Saturn

Amazing Moons and Rings Attend Jupiter and ...
Attack of the Sun

Living just a few light minutes from a roiling fusion furnace, you'd ...