In 1942, Sigmund Rascher and others conducted high-altitude experiments on prisoners at Dachau. Eager to find out how best to save German pilots forced to eject at high altitude, they placed ...
BEIJING, Jan. 13 (Xinhua) -- China's Shenzhou-19 crew aboard the orbiting Tiangong space station has carried out a variety of experiments since the beginning of 2025, including a test on a pipeline ...