Researchers at the University of Southern California have created a stable, nanocrystal form of solar cells that can exist as a liquid ink. The cells could be used to paint or print onto a clear surface, turning it into a …

In a significant reversal over the past three years, many more young women than men indicate they feel as strongly about their online communities as their real world ones, according to researchers at the University of Southern California.

The researchers found 67 percent of women under 40 said they feel as strongly about their Internet communities as their offline ones, while only 38 percent of men said the same.

In 2007 the numbers were reversed, with 69 percent of men and 35 percent of women feeling the same way.