The innovation group TED has given its coveted annual prize for the first time to an idea -- the city of the future.
A smartphone app designed to give early warning of earthquakes could be ready as early as next year, according to scientists at the World Science Forum in Rio de Janeiro.
Hundreds of visitors are flocking daily to a botanical garden in southeastern Brazil to watch the rare blooming of the Titan arum, the world's smelliest and largest tropical flower.
(Phys.org) -- "In biophysical terms, humanity has never been moving faster nor further from sustainability than it is now."
Brazil's communications minister is proposing giving emails the same level of legal protection afforded to letters sent by mail.
Internet giant Google has agreed to redo its online map of Rio de Janeiro within a year after being criticized for giving undue prominence to the Brazilian city's notorious favelas.
The computer hacker group Anonymous attacked websites of Brazil's federal district Saturday as well as one belonging to a Brazilian singer to protest the forced closure of Megaupload.com.
The world can no longer afford to ignore the environmental cost of economic growth and must redefine the very concept of national wealth, a UN panel of heads of state and environment ministers said Monday.
Resistance at individual and societal levels must be recognized and treated before real action can be taken to effectively address threats facing the planet from human-caused contributions to climate change.
Boosted by strong government incentives, Brazil's high-tech industry is showing solid domestic growth but experts say the country's startup entrepreneurs must go global and shun copycat solutions.