But then again, the effects of high-altitude training on humans have been widely debated. Is any single work recognized as the first symphony? If so, when was it first performed, and who wrote it?

It's not clear if humans with ... a way to mimic those effects pharmaceutically. Unlike sleeping in a hypobaric chamber, as ...

Such high Knudsen number conditions give ... Depending on the altitude, complex shock structures may form downstream of the nozzle, extending the region in which these effects are important. Further ...

This implies that human habitation existed in the area during that period. The site is located more than 11,000 feet above ...

In the years since then, balloon flight technology has evolved from cloth balloons and open baskets to polyethylene balloons and metal pressurized gondolas that allow for high-altitude atmospheric ...