在研究开始和结束时,研究人员都对受试者进行脑部核磁共振扫描,并通过最大摄氧量检测评估其心肺耐力。同时,研究人员通过核磁共振成像技术估算大脑年龄,将大脑呈现出的生理年龄与研究对象的实际年龄进行对比。大脑预测年龄差(brain-PAD)数值越高,说明大脑看起来比实际年龄更老。此前已有研究证实,大脑预测年龄差数值较高的人,身体机能和认知能力更弱,死亡风险也更高。
小米方面透露,新的一年,小米汽车将筹建小米汽车安全顾问委员会,将向全国各大专院校、科研院所的车辆安全专家,以及曾经参与过国家事务调查召回的专家发出邀请,请他们来为小米汽车的安全进行多角度评估和把关。此外,小米汽车还希望建立公众安全沟通机制,与车主、媒体、专家定期沟通,为小米汽车安全出谋划策,预计今年上半年将召开一期活动。(界面新闻)
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Editorial Expression of Concern: Opposing roles for calcineurin and ATF3 in squamous skin cancer
Other companies are also looking skywards - to make everything from pharmaceuticals to artificial tissues.
Software development. The job market for software engineers, developers, and programmers has been rosy for years, but the Ibis study projects that demand for smartphone app developers in particular will soar at an annual rate of 37.6%, far outpacing the projected 15.5% growth rate of the software business as a whole. The industry’s voracious appetite for talent shows in the average annual 2015 salary: $147,274.