The case of co-pilot Andreas Lubitz has focused attention on what Lufthansa, or any employer, can really know about an employee's state of mind. Requiring a psychological evaluation has risks, too.
It's related to herpes. And it infects most of the world — about half of Americans, nearly all the developing world. But don't go out and get infected. The virus has a dark side, too.
The product is called snus — a tiny bag of smokeless tobacco that users slip between the lip and gum. A Swedish maker claims the product is safer than cigarettes, cigars and chewing tobacco.
Scientists are still better than computers at assessing a neuron's health by looking at its shape. But an effort that includes an international series of hackathons could help speed the process.
Scientists say they've identified the bacteria that emit that rank smell after a hard workout. Future deodorants might target that bad actor rather than blocking sweat glands or nuking all bacteria.
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