More on High-Altitude Balloonists

An anonymous reader writes "The Guardian reports on an attempt at the record for the highest balloon flight. 'A bag of helium the size of the Empire State building to challenge Nasa record.'" We had an article about them a few months ago.

Comments

Blood heats in partial pressure?

[mikeophile]

"At about 44,000ft, you need to be wearing a pressure suit, because if not the blood will start to heat and actually boil."