Tech Tent: Google comes out to play
It is the search giant which is pouring billions into everything from mobile phones to artificial intelligence and driverless cars,
Is Apple about to expand its TV business?
Could Apple be about to unveil a move into subscription TV?
UK scientists join race for artificial meat
British scientists have joined the race to produce meat grown in the lab rather than reared on the hoof.
US detects huge meteor explosion
A huge fireball exploded in the Earth's atmosphere in December, according to Nasa.
Tech Tent: The WWW turns 30
In March 1989, a computer scientist at the Cern particle physics lab near Geneva submitted a proposal to his boss who scrawled "vague but exciting" on the document.
Apple responds to Spotify complaints over App store
Apple has replied to claims by Spotify that App store policies gave it an "unfair advantage".
Facebook and Instagram services suffer widespread outages
Several of Facebook’s products are suffering partial outages, affecting users globally.
Japan Sega game sales halted after cocaine arrest
Games firm Sega is to stop sales of its video game Judgment in Japan, after actor Pierre Taki, who appears in it, was arrested for alleged drug use.
US seeks to allay fears over killer robots
Humans will always make the final decision on whether armed robots can shoot, the US Department of Defense has said.
Climate change: Pledge to cut emissions from dairy farms
A dairy firm is pledging to make its operations carbon-neutral from cow to supermarket by 2050, including more than 2,000 farms in the UK.
