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.
Kevin Winter/Getty Images
Think you're the only one having a bad hair day? You're not alone. There are plenty of celebrities that have had them, too.