Seven marathons, seven continents and seven days - 12 runners take part in one of the toughest footraces in the world in the inaugural World Marathon Challenge.
The rise of 'fast fashion' is making the fashion industry a major polluter, but designers in Asia are going green to buck the trend.
A Boston start-up is developing a wristband they say will help users break bad habits by jolting them with an electric shock.
Thirty years after Hugh Herr lost both legs to frostbite, the MIT researcher is developing prosthetic limbs that make him a real-life bionic man.
One hundred build-your-own robots dance in unison.