西亚试剂：Massive pool of US biomedical postdocs starts to shrink

A decades-long surge in the numbers of US biomedical postdocs may finally have ended.

From 1979 to 2010 the number of US postdocs in the biomedical sciences has risen steadily, from just over 10,000 to more than 40,000. But in the past three years, the tide has turned, according to official statistics.

The population of US biomedical postdocs fell 5.5% between 2010 and 2013, to just under 38,000, with losses getting bigger each year, notes a study published on 6 October — although the number of new graduates with science PhDs continues to rise (see chart).

The work could have implications for neurologists’ understanding of “plasticity”, or how the brain adapts to experience.

Researchers at Johns Hopkins University in Baltimore used functional magnetic resonance imaging, or fMRI, scanners to study brain activity in congenitally blind and sighted children as stories were read to them and music played.

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