EnvironmentThe gold hydrogen rush: Does Earth contain near-limitless clean fuel? Prospectors around the world are scrambling to find reserves of "gold hydrogen", a naturally occurring fuel that burns without producing carbon dioxide. But how much is really out there and how easy is it to tap into? Features
LifeBottlenose dolphins can sense electric fields with their snouts Like platypuses and some sharks, bottlenose dolphins have an electric sense which they may use to navigate and search for food 51¶¯Âþ