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A new understanding of Alzheimer’s

Although natural selection is often thought of as a force that determines the adaptation of replicating organisms to their environment, Harvard researchers have found that selection also occurs at the […]

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U.S. Defense Dep’t: Come get weird with us

The Defense Department is seeking novel ideas to shape its future, and officials are looking to industry, small business, academia, start-ups, the public –- anyone, really –- to boost its […]

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Humans, sea anemone share nerve signal origins

New research shows that a burst of evolutionary innovation in the genes responsible for electrical communication among nerve cells in our brains occurred over 600 million years ago in a […]

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Worldwide, the nitrogen cycle is off

When exposed to nitrogen fertilizer over a period of years, nitrogen-fixing bacteria called rhizobia evolve to become less beneficial to legumes – the plants they normally serve. These findings, reported […]

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Workplace negativity can hurt productivity

Employees who point out problems in the office may help the company improve, but could be hurting themselves in the process. Such negative-minded workers are more likely to become mentally […]

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Long-acting HIV medicine in the works

Scientists have created a new molecule that shows promise for controlling HIV without daily antiretroviral drugs. The molecule foils a wider range of HIV strains in the laboratory than any […]