Thousands of people may have been exposed to deadly fungal meningitis from tainted steroid injections for back and neck pain: What the outbreak reveals about regulations, oversight of compounding pharmacies and risks to public health.
Online reviews of restaurants, travel deals, apps and just about anything you want to buy have become a powerful driver of consumer behavior. Unsurprisingly, they have also created a powerful incentive to cheat.
Though summer melting is a yearly occurrence in the Arctic sea, this year set a new benchmark: Three-fourths of the ice melted away. Scientists say the effects of this unprecedented melting are likely to result in extreme weather changes throughout the Northern Hemisphere.
Melissa Block talks to Jack Crayon, an environmental scientist at California's Department of Fish and Game, about odd smells that have invaded a large area in Southern California. He says it smells like the gases from the Salton Sea.
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