woman scientist: medium skin tone

waving hand waving hand waving hand waving hand waving hand waving hand raised back of hand raised back of hand raised back of hand raised back of hand raised back of hand raised back of hand hand with fingers splayed hand with fingers splayed hand with fingers splayed hand with fingers splayed hand with fingers splayed hand with fingers splayed raised hand raised hand raised hand raised hand raised hand raised hand vulcan salute vulcan salute vulcan salute vulcan salute vulcan salute vulcan salute