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8:27
The West Texas desert has a surprising feature: a prehistoric ocean reef.
13:34
The Caribbean town of Plymouth lies frozen in the ash of a devastating volcano.
12:10
Meet the axolotl, Mexico City’s endangered, smiling salamander.
10:48
North Carolina’s Outer Banks may be one of the most dangerous coastlines in the world.
12:13
Florida's once endangered crocodiles are making a very unlikely comeback!
13:32
Scientists find the exact time of a massive quake using trees, soil and human records.
12:24
Can new scientific research help unravel the mystery of Cahokia's disappearance?
16:32
What happened to the once lush, now desert-like Colorado River Delta?
9:34
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
10:06
Sea otters play a vital role in maintaining the balance of sensitive kelp forests.
10:14
Exploring LIDAR: Tech using lasers to reveal the deep history beneath our world’s surface.
13:02
Joe visits the world’s largest crane, an engineering feat helping to fight climate change.