Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

一晃又是十年，梁家河再焕新颜。乡亲们端稳“产业碗”、吃上“旅游饭”。村里900多亩果园实现数字化、智能化种植，一年旅游收入就有600万元左右。“村里家家户户收入都不错，日子舒心得很，就盼着总书记再回来看看，听我们说说现如今的好光景。”梁家河村老支书石春阳说。

糖尿病患者中约30%-40%面临慢性肾脏病（CKD）的风险，CKD的逐步加重，更可能引发不可逆转的终末期肾病（ESRD），多种心肾事件发生，为社会和患者家庭带来沉重负担1。国内外指南一致强调2型糖尿病（T2DM）相关CKD应早诊早治，实现心肾获益最大 ...