Hints and tips:
...Penelope Boston, director of the Nasa Astrobiology Institute at Ames, California, has led the exploration of this previously unknown microbial ecosystem....
...The whereabouts of the early, unfinished portrait were unknown until this summer when Sotheby’s was approached by Kahlo’s assistant, who had been given the work by Rivera in 1955, the year after Kahlo died...
...He is chased and cornered by the police, then taken away, still screaming “Rick”, to an unknown fate (unknown till later information that he is dead)....
...He typifies the obscure hobbyist visionary whom Gioni obsessively resurrects, neglecting most recent global names in favour of unknown creators of quirky personal libraries, museums of the mind, archives...
...Without testing the news or putting it in any sort of context, the agency picked up some random report on a Middle Eastern website, AME Info, saying an hitherto unknown entity called the Arabian Peninsula...
International Edition