
False-color image of self-assembled mesoscale helical structures Joanna Aizenberg, Harvard University
You know smoking can be hazardous to your health. Then came 'second-hand smoke.' Now, health researchers are cautioning about 'third-hand smoke' -- residues from smoking that linger on surfaces. (more)
Relative risk? Survival rates? In this segment, we'll try to parse the language of medical studies and talk about how researchers and doctors interpret medical data. (more)
The Milky Way galaxy is bigger, heavier, and faster-spinning than researchers once thought. (more)
Researchers studying nanoscale structures have found materials that assemble themselves into spirals, capable of holding tightly to each other or to materials in their center. (more)
Can science explain why some swindles are so successful? (more)
In this segment, we'll get the latest on efforts to control Type 2 diabetes. (more)

Season's Greetings! -- Let me take time thank you all and wish you a Happy Holiday Season! We would be nothing without your wonderful support... (more)
In the Big Three's Company (or...Tell Me What to Drive) -- My first car was a Ford Gran Torino. It was a chocolate brown, 8-cylinder mess... (more)
Why Should We Listen To Michael Pollan? -- Just before time ran out on their TOTN Science Friday radio segment, last Friday, Ira asked Michael Pollan an important question, Why should anyone listen to a guy who has never plowed a field in his life talk about farming? In those last seconds Pollan accurately pointed out that as "eaters" we are all stakeholders in the food system... (more)
China's Nobel Desire -- It's Nobel Prize season, and the inevitable question is appearing on China-related websites... (more)

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Trouble in the Tropics
Tropical species may be at greatest risk for extinction due to climate change.
Dogs Bark, Birds Chirp, Fish Grunt
The origin of vocal communication--like talking--may date back to prehistoric fish.
Color from Nature
Clothing could get their color—and germ-fighting properties—from a strain of marine bacteria