每周他还针对各种健康话题，例如安全饮用水的重要性等问题主持一档电台节目。
He also hosts a weekly radio show on a variety of health topics, for example on the importance of safe drinking-water.
这些问题让他们了解到，科技在社会问题，中的重要性，这些问题例如医疗保健，环境，能源，等等。
The problems that show them the importance of technology in societal issues like healthcare, environment, energy and so forth.
研究者们认为，体能再现在生产中所占的重要性正在降低，例如在服务业中，年长员工的工作效率更高。
The researchers argue that in sectors where physical strength is less important than in manufacturing, such as in the service sector, it is likely that older workers are even more productive.
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