Archive: 09/12/2011

Hot new planet could be in habitable zone -- barely

Astronomers believe they have found a second planet outside our solar system that seems to be in the right zone for life, just barely. But it would feel like a steam bath - hot, sticky and beyond uncomfortable.

Sep 12, 2011
4.8 / 5 (6) 6

Manipulative mothers subdue show-off sons

The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...

Sep 12, 2011
5 / 5 (2) 0 | with audio podcast

As technology evolves, will PCs be left behind?

Steve Jobs' bombshell resignation as CEO. Hewlett-Packard's abdication of its multibillion-dollar PC group. Google's $12.5 billion purchase of Motorola Mobility. Dell's wobbly sales forecast.

Sep 12, 2011
2.6 / 5 (7) 18

SAFEPED helps cities fix dangerous intersections

Traffic planners and engineers worry about "black spots" — intersections that experience a high incidence of traffic accidents. But when it comes to designing safer roads, they lack effective tools to ...

Sep 12, 2011
4 / 5 (1) 0