简介：In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellit
简介：Marcus Du Sautoy wants to find out how close we are to creating machines that can think like us: robots or computers that have artificial intelligence
简介：In a small village on top of the mountains, Maia Zenasi, a rowdy and solitary 16-year-old tomboy, is the only girl on the local hockey team and her li
