@CNN: An experimental glider smashed the record altitude for human flight in a winged aircraft by reaching more than 76,000 feet, high enough that blood in a human’s body boils unless it’s protected https://t.co/NwKDc6yXHA https://t.co/h30fRplL5D

@CNN: An experimental glider smashed the record altitude for human flight in a winged aircraft by reaching more than 76,000 feet, high enough that blood in a human’s body boils unless it’s protected https://t.co/NwKDc6yXHA https://t.co/h30fRplL5D