Microsecond optical switch is observed and BR molecule distributing of different intermediate is analyzed when the exciting pulse is over.

观察到了微秒量级的快速光开关现象，并分析了激发光脉冲作用结束时，各中间态上细菌视紫红质分子的分布。

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If it is boring, sleepy people just switch off, but don't do the same for exciting tasks.

BBC: Spatial memory works in a similar way in rats and humans