Robots have just shrunk to the size of microorganisms. Researchers at the University of Pennsylvania have unveiled what they describe as the world’s smallest fully programmable, autonomous robots, ...

Visit any open-water swimming spot during the winter and you’ll see people congregating in swim robes like a strange furry-cloak-clad cult. But dismiss the mighty swim robe at your peril. If you want ...

Bondi Beach is Australia’s playground, our piazza, and the mother church of our national religion: the worship of sun, sand, and salt water. Bondi is where millions of us learn to swim, to surf, to ...