Additional competitions to generate ideas for barcode scanning and face-object recognition, and to develop wireframes, a screen design, a system architecture, and more for the ISS FIT app will wrap up by late May.

FORBES: NASA Asks The 'Crowd' To Help Track What Astronauts Eat

Shortly before berthing, Endeavour performed a nine-minute back-flip, known as a rendezvous pitch manoeuvre, allowing the ISS crew to capture up to 300 photographs of the shuttle's thermal protection system.

BBC: Shuttle crew welcomed aboard ISS