LifeOrcas have begun wearing salmon hats again – and we may soon know why About 40 years ago, researchers noticed a population of orcas had begun swimming around with dead fish on their heads, and now the craze is back 51¶¯Âþ
TechnologyAI helps robot dogs navigate the real world Four-legged robot dogs learned to perform new tricks by practising in a virtual platform that mimics real-world obstacles – a possible shortcut for training robots faster and more accurately 51¶¯Âþ