Oceans cover more than 70 percent of Earth's surface. But could the kinetic power of the tides or the oceans' thermal energy become the world's future power source? Listen in as Josh and Chuck break it down.
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Selects: How Narcolepsy Works
52:41

Rope, yeah ROPE!
43:31

Short Stuff: Did a shipwreck double the size of the United States?
11:46