"This was really an "oh my God" moment," says the scientist behind the findings, Dr Peter Fretwell at British Antarctic Survey, who has worked on Emperor penguins for 20 years.
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The difficulty with assessing how far the latest escalation might go, stems in part from the lack of verified information available from either side.。业内人士推荐同城约会作为进阶阅读
Michelle RobertsDigital health editor, BBC News