The space station is currently home to astronauts from the US, Russia and Japan.
5 April 2018 2:39 PM IST
It's the latest advance in a growing field of sensors that can be swallowed or worn to monitor our health.
25 May 2018 8:22 PM IST
The long-acting pill technology could also have a range of other applications.
17 Nov 2016 10:46 AM IST