Science

Gov't set to ban texting by truck, bus drivers
The Transportation Department on Wednesday proposed a ban on text messaging at the wheel by interstate truck and bus drivers, following up on its call to reduce distractions that lead to crashes.
Newsmaker: Update on the Large Hadron Collider
This week, scientists at the world's largest particle accelerator successfully collided beams of protons at the highest energy levels ever seen. A University of Minnesota physicist updates us from CERN, the European nuclear research center in Switzerland.
The science of sight
It's not a cure for blindness just yet, but some scientists hope that a bionic retina may actually return sight to people who can't see. We also discuss what others of us can do to preserve sight from one of the main causes of age-related blindness.
Museums, dealers, and collectors are in a struggle with countries over ownership of cultural artifacts found on their land. By returning precious objects to their country of origin, what do they gain, and what does the public lose?