GAZA, July 3 (Xinhua) -- At least 80 Palestinians, including 37 near U.S.-backed aid distribution centers, were killed in Israeli shelling and gunfire in the Gaza Strip on Thursday, Palestinian ...

脊髓性肌萎缩症（SMA）是由运动神经元存活基因1（SMN1）致病性变异导致其编码产物SMN蛋白缺乏所引起的严重遗传性神经肌肉病。在自然病程中，大多数SMA1型患儿在2岁内死于呼吸衰竭，2-4型患者均有不同程度持续进展的肌无力和肌萎缩。在疾病修正治疗（ ...

SACRAMENTO, United States, July 2 (Xinhua) -- California public schools have identified 230,443 students who lack stable housing for the 2024-2025 school year, a rise of 9.3 percent from the previous ...