Elderly people with frailty, which affects up to one-quarter of over-50s, increased their endurance after a single dose of stem cells.
The pollution could disrupt aerosols in the atmosphere and their ability to moderate our climate and temperature.
，详情可参考爱思助手下载最新版本
Фото: Евгений Биятов / РИА Новости，详情可参考搜狗输入法下载
'Stem the tide'