An engineer in India is designing the world's first Braille smartphone. Take a look at how the prototype works.
Sumit Dagar, a 2011 TED fellow, is developing the world's first Braille smartphone.
Many foods that you think have health benefits may hold hidden dangers for your diet.
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With Ringo Starr celebrating his 75th birthday Tuesday, see how he and other rockers from the 1960s and 1970s have aged over the years.