Scientists have warned that we are about to start a "post-antibiotic era", after finding bacteria resistant to drugs used ...

UNITED NATIONS, June 20 (Xinhua) -- International Atomic Energy Agency (IAEA) Director General Rafael Grossi on Friday warned of the risk of nuclear contamination from Israeli attacks on Iranian ...

The study demonstrates, for the first time, the effects of aerosols of different sizes on cyclone formation -- coarse aerosols tend to slow cyclone intensification at first, while fine or ultrafine ...

IT之家 6 月 13 日消息，天文学家借助詹姆斯・韦布空间望远镜（JWST），揭示了 YSES-1 星系中两颗气态巨行星的独特面貌。这两颗行星围绕一颗类似太阳的恒星运行，距离地球仅 306 光年。

When the best part of Christmas is playing Santa Claus and helping poor, elderly and lonely people. Take Away English talks about giving a helping hand.

该研究的亮点不仅在于疗效显著，更在于其临床可操作性。实验中采用的雾化设备已通过优化，可控制颗粒粒径并实现肺部均匀分布，单次治疗后外泌体在体内半衰期约 4.5 小时，但修复效果可持续 12-18 个月。30 例 COPD 患者的临床研究显示，雾化治疗 1 个月后，FEV1 显著提升，CT 影像显示肺气肿减少，6 分钟步行距离增加，且无明显副作用。