Life at 50C: Mexico's struggle for water

BBC Click’s Romana Kreider looks at the best technology news stories of the week including: Elon Musk announced that his satellite internet service Starlink could reach half a million customers over the coming year. MIT and Harvard engineers designed a face mask that can diagnose Covid-19 within about 90 minutes. Boston Dynamics’ robot dog Spot…

A security pact with the US and the UK will enable Australia to build nuclear-powered submarines for the first time. The trilateral agreement is seen as an effort to counter China in the region, but as Sam Roggeveen explains, Australia siding with the US is a “risky bet”. Video by Isabelle Rodd.

BBC Click’s Jen Copestake looks at the best of the week’s technology news stories including: The US becomes the largest bitcoin miner in the world after regulations banning the practice in China come into effect Australia’s space agency announces its first mission to the Moon in a collaboration with Nasa Sea-like robotic creatures float above…

Lara Lewington looks at some of the latest gadgets to help make the most of your summer.

Mixed-reality platform, Microsoft Mesh, will allow people to join and share the same virtual experience wherever they are in the world. The system was announced at the company’s Ignite digital conference, earlier this month. While augmented reality overlays virtual objects in front of you, mixed reality allows the user to interact with what they can…

Campaigners say including extremist narratives among everyday conversations can be a pathway to radicalisation.