The new technology, which is making its way into products ranging from food storage containers to computers, is seen differently among scientists than the general public, with scientists appearing to be more concerned in some areas. But in broad categories of risk versus reward both groups seem to agree - go slow and be cautious of the technology's deleterious effects. [...more]
Sun worshippers beware. While using sunscreen to block dangerous UV rays, you may be exposing yourself to a new danger. Sunscreen manufacturers are adding nanoparticles to sunscreens to make sun-blocking ingredients like titanium dioxide and zinc oxide rub on clear instead of white. These nanoparticles are being added without appropriate labeling or reliable safety information-and they pose potential threats to human health. [...more]
A new study of worldwide technological competitiveness suggests China may soon rival the United States as the principal driver of the world’s economy — a position the U.S. has held since the end of World War II. If that happens, it will mark the first time in nearly a century that two nations have competed for leadership as equals. [...more]
