With Thanksgiving around the corner, we get cooking app recommendations from two professionals: Christine Carroll, co-author of Come In, We're Closed: An Invitation to Staff Meals at the World's Best Restaurants and Jacqui Cheng, an editor with the tech news website, Ars Technica.
Scientists have come up with an algorithm to guess how many stars a recipe will receive online. By building "social networks" for ingredients, the algorithms also reveal how we mix and match spices, make dishes more healthful and customize flavor profiles.
The Pentagon's research agency, DARPA, played key roles in developing the Internet and GPS. Now it's investing money in high school hackerspaces, where students gather to come up with high-tech ideas — like a bicycle that generates electricity.
After the president's re-election, a slew of racist comments appeared on Twitter and Facebook. Guest host Celeste Headlee discusses some of the legal and privacy issues raised when people vent online. She speaks with Rey Junco of Harvard's Berkman Center for Internet and Society and The Root's Political Correspondent Keli Goff.
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