Chip-Factory Cancer Cases: Samsung Electronics Co. says a report by consulting firm Environ International found no link between cancer in six workers and the chemicals they were exposed to at a semiconductor manufacturing facility, the WSJ reports. Previous reports by South Koreas occupational health and safety agency have also found no link. But Samsung workers and others have said there were far more leukemia and lymphoma cases among chip-factory workers.

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What if, instead of waiting days or weeks for a cast to be produced and prosthetic dental implants, false teeth and replacement crowns to be made, your dentist could quickly scan your jaw and print your new teeth using a rapid prototyping machine known as a 3D printer?

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It’s well known that stress and unhappiness are bad for your heart, but a new study finds that being happy—or, at least, satisfied—with your life actually increases heart health.

8000 British civil servants, both men and women, were asked how satisfied they were with seven different areas of their lives and then had their heart health followed over the next six years. The researchers found that the more satisfied people were with their lives, the less likely they were to suffer from angina, the chest pain that’s usually a symptom of coronary artery disease. A 1

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