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Researchers from the University of Leipzig in Germany gathered more than 1,000 retired workers who were over age 75 and assessed the volunteers' memory and thinking skills through a battery of tests.

德国莱比锡大学的研究人员召集了1000多名75岁以上的退休工人，并通过一系列的测试评估了这些志愿者的记忆力和思维能力。

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From left to right, there's battery, memory card and GPS. The left two turn from green to red as they are slowly exhausted, while the GPS indicator blinks when searching for a lock.

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We found accessing the compartment for the battery and memory card a pain, as it doesn't auto-lock when you close it, requiring an unnecessary bit of finger adroitness, and removing and replacing batteries can also be a fiddly affair.

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There's a meter tab that gives you a great view of what the current status of CPU, Battery Life, Memory Storage and Memory program.

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