Brazil

New anesthetic technique uses electric current instead of the dentist’s needle

A team of scientists, at Brazil’s University of São Paulo, has devised a new and innovative technique of administering anesthetic in a patient’s mouth, without using needles. As effective and fast-acting as injections traditionally used in dental surgery, the new method involves the application of small amounts of electric current to give patients a local painkiller, in…



A player-powered football field? Better believe it!

It seems apt for a hi-tech football (soccer) field to make its debut in the heart of Rio, Brazil. But this is not your ordinary, run-of-the-mill, highfalutin affair. Rather the technology goes beyond the scope of opulence, to cater to the ambit of practicality. As as result, we have the world's very first 'human powered'…