Snotty astronauts should skip spacewalks, suggests study

Pressure difference between the space station, space suits increases congestion, say boffins
In space, no one can hear you sneeze – but that hasn't stopped a team of boffins researching exactly what happens when an astronaut gets a case of the sniffles, and why. The key takeaway, should you find yourself on board a space station and in need of a tissue: maybe skip the spacewalk.…