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Full Program: Two drugs that may help kids with muscular dystrophy or the frail elderly, who don’t have the option of hopping on a treadmill to build strength and endurance; renowned paleontologist George... 52:32
Is global warming making hurricanes more intense? 06:13
In the years before radar had been invented, no one had ever seen a storm like this. 00:31
Is the weather on Mars anything like the weather on Earth? NOVA asked Vicky Hipkin from the Canadian Space Agency, who was part of the recent Phoenix Mission to explore conditions on the Red Planet 05:04
Full Program: Is Antarctica headed for a catastrophic meltdown? 53:04