enigma

"We live in an electrical world, electricity is all around us, but the electrostatics of small organisms remains mostly an enigma," Ortega-Jiménez says.

News accounts of the time portrayed Moore as an enigma.

But in the franchise’s ongoing parable of mankind’s hubris, the all-seeing enigma in “Alien: Earth” adds another reason to make us shudder.

The message is disturbing, intimating that the two men were very close, had a lot in common and shared “a wonderful secret” about how “enigmas never age.”

Born Melanija Knavs in Slovenia, the 55-year-old first lady and former fashion model was, for a time, often described as an "enigma" - less public than her predecessors, with fewer speeches and public engagements.