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10:00 pm
Shattered Sky: The Battle for Energy, Economy, and Environment
Can history inspire us? Thirty years ago, scientists reported a hole in the ozone layer "the size of North America." The culprit was CFCs: the gas in hairspray, refrigerant, and air conditioning. Doctors predicted skyrocketing cancer, but business didn't want to change and politicians were slow to act . D
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11:00 pm
Alan Alda in Scientific American Frontiers
"The Dark Side of the Universe"
Alda joins astronomers as they wrestle with implications of their latest discoveries that indicate we see only a tiny fraction of the cosmos. Much of it may be dark matter or dark energy.G
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