Another reason to eat your fruits and vegetables: Recent research shows that small doses of the toxins naturally found in plants can boost our immune systems, protect against brain disease and help us live longer. We look at the toxins in plants and other anti-aging insights.
Millions of Americans will brave crowded highways this holiday weekend to visit friends and family. Traffic today and what’s being done to ease congestion and improve the nation’s roads and highways.
- Robert Puentes Fellow, Metropolitan Policy Program, The Brookings Institution
- Tom Vanderbilt writes about design, technology, science, and culture for 'Wired,' 'Slate,' 'The New York Times,' and other publications. He is the author of "Traffic - Why We Drive the Way We Do (and What It Says About Us)."
- John Porcari Deputy Secretary of Transportation. He served as Secretary of the Maryland Dept. of Transportation from 2007 to 2009.
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