Robot arm finds lost items and other tech news stories

With lockdown restrictions easing in some parts of the world, many people are looking forward to the prospect of travelling again. But how easy will it be and how will vaccines affect travel? Tim Willcox put questions from BBC World News viewers to epidemiologist Daniel Lopez Acuna and Lisa Minot, the travel editor at the…

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…

Some grieved, some helped and some worried. Two decades after the terror attacks on the United States on 11 September, 2001, four people from around the world reflect on how they reacted that day, and what’s changed since. Video by Alexandra Ostasiewicz and Dan Lytwyn

We need to look at the complex set of issues that are pushing people out of Central American countries as well as the pull factors attracting people towards the United States, the former assistant secretary at the Department of Homeland Security, Elizabeth Neumann, has said. Every administration dating back to George W Bush has looked…

The Delta variant of Covid-19 is spreading rapidly throughout the world and has been detected in 124 territories the World Health Organisation has said. An emergency room doctor in the United States has told BBC World News about how the initial narrative of it being a virus which kills older people is now problematic as…

A sea life centre has created a web app to help visitors identify species within its 65,000 strong marine life population. The Lost Chambers Aquarium app uses image recognition. The app tells users information about where the animal can be found in the wild, its endangered status and planned or ongoing conservation projects. BBC Click’s…