Obama runs wild with Bear Grylls for TV special

US President Barack Obama met with Bear Grylls during his Alaska trip to shoot a special edition of NBCs Running Wild with Bear Grylls on 1 September. Obama sent out a selfie with the British survivalist from the White House Instagram account. The photo was taken near the Exit Glacier in Seward, Alaska where Obama is highlighting the impact of climate change. Sep 2, 2015

Pentagon teams up with Apple and Boeing to develop wearable tech

US Defence Secretary Ash Carter awarded $75m (£48.7m) on 28 August, to help a consortium of high-tech firms and researchers develop electronic systems packed with sensors flexible enough to be worn by soldiers or moulded onto the skin of a plane. Aug 29, 2015