The West should prepare for "all-out war" with Russia within 20 years, according to a top NATO official. Plus, how military scientists in Britain are testing a new laser weapon that costs just £10 to fire. And how ancient ice water lies beneath the surface of Mars. The World in 10 is a Times of London production bringing you the global news agenda every day in just 10 minutes, as seen through the eyes of our writers and correspondents. For more listen to Times Radio or take out a digital subscription at thetimes.co.uk. Hosted on Acast. See acast.com/privacy for more information.