Zapping liquid metal makes it move in a way that can power wheels
A small metal droplet can propel a wheeled robot forward, paving the way for larger robots that can trundle like tumbleweeds through unfriendly terrain
Trump is wrong – millions of Americans breathe badly polluted air
President Trump claims the US has the world’s cleanest air, but he is ignoring urban pollution data while actively dismantling regulations that protect air quality
Scientists should use their clout to get a less bad Brexit for all
Europe’s scientific elite say a hard Brexit will damage science. They should be supporting those who face much worse consequences, says Ehsan Masood
AI designed these Halloween masks and they are absolutely terrifying
Artificial intelligence has learned to create spine-tingling Halloween masks after being fed 5000 photos of scary or funny costume masks
NATO’s huge military exercise will test robots and autonomous vehicles
In NATO's biggest military exercise since the Cold War it will use self-driving vehicles, robots that fetch gear, and a 3D printer for printing spare parts
Facebook fined £500,000 for Cambridge Analytica leak by data watchdog
The UK Information Commissioner's Office has fined Facebook £500,000 for the Cambridge Analytica data scandal, the maximum possible under the rules at the time
Dinosaur fossil may be a whole new species of the first birds
A fossil of the dinosaur Archaeopteryx is so unlike any other specimens that it belongs to a new species – and could confirm that the animals were early birds
Banning cars in major cities would rapidly improve millions of lives
Cities are starting to experiment with banning cars from their streets and the benefits to health and well-being could be enormous
Huge online Trolley Problem survey reveals people’s cultural bias
A survey posed ethical dilemmas to millions of people to help develop self-driving cars, but some worry the results could bake our biases into new technology
Humpback whales stop singing when cargo ships make a lot of noise
Male humpback whales often sing during mating season, but recordings from the Pacific suggest noise pollution from cargo ships is making them sing less