A bowman can let off six aimed shots in a minute, an arquebusier only one in two or three minutes, when he has gone through all his manual exercise carefully.
Thanks to research like NASA's Twin Study, which you'll hear about in a minute, scientists are getting an idea about how extended time in space affects people.
Thanks to research like NASA's twin study which you'll hear about in a minute, scientists are getting an idea about how extended time in space effects people.