One of the big themes at the World Economic Forum (WEF) for the last couple of years has been artificial intelligence (AI), and the future of food and agriculture is something that's absolutely critical.

The space surveillance and intelligence firm Digantara got the idea of tracking objects in space after seeing the huge problem of space debris, founder and CEO Anirudh Sharma told NDTV at Davos.

Donald Trump Presidential Inauguration LIVE Updates: Donald Trump was sworn in as the 47th President of the United States on Monday at noon local time (10:30 IST) at a ceremony held inside the Rotunda of the US Capitol.