Reducing carbon dioxide emissions is tough if you don't know exactly where those gases are coming from. Scientists at Arizona State University have invented a new way to pinpoint those sources — down to individual buildings and highways.
Wal-Mart is thriving despite the shaky economy, protests from union supporters and allegations of bribery at its Mexican unit. The company's stock price hit an all-time high Wednesday, and holiday layaway sales are off to a sizzling start. It's also introducing a low-cost, pre-paid debit card.
In Michigan, voters will decide whether to force the state's utilities get at least 25 percent of their annual retail sales from renewable sources by 2025. There have been many competing claims about costs, jobs and spinoff issues.
Jim Lehrer was slammed for losing control of last week's presidential debate, and Martha Raddatz is confronting criticism in the lead up to Thursday's VP battle. But how much control can a moderator exert over ambitious and strong-willed candidates, especially when the stakes are so high?
A Meningitis outbreak occurred after a steroid drug commonly injected into people's spines to relieve back pain was apparently contaminated by an ordinary fungus. The problem shines a light on little-known and lightly regulated companies called compounding pharmacies.
At issue is whether the University of Texas, Austin discriminated against a white applicant when it did not offer her a spot. At Wednesday's argument, a court majority seemed poised to reverse or severely cut back previous decisions related to affirmative action programs in college admissions.
Two Americans have won the 2012 Nobel Prize in Chemistry. Robert Lefkowitz and Brian Koblika were awarded the prize for their work on protein receptors that tell cells what's going on around the human body. Their research has allowed drug makers to develop medication with fewer side effects. The pair with share the $1.2 million award.
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