Makeupartistbyday,cross-dresserbynight,BettyisamongavanguardofVietnamesedragqueensshakingupHanoi'snightlife--andsocialnorms--inacitywheresuchperformancesremainl
TheEuropeanSpaceAgency(ESA)hastest-firedanenginethatopensthepathforanovelclassoflow-flyingEarth-orbitingspacemissions.Calledanair-breathingelectricthruster,itis