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Antarctica

WINDS OF CHANGE  A satellite image from March 2016 shows the blue streaks of unseasonably late snowmelt on the Larsen C ice shelf that was caused by warm winds cascading down mountain slopes on the Antarctic Peninsula.   

helium hyrdide ion

CHEMICAL RELIC  The elusive helium hydride ion, thought to be the first type of molecule to form in the universe, has been found in the planetary nebula NGC 7027 (shown in infrared light in this Hubble image).

meteor

SHOOTING STAR  Meteors from other planetary systems may have been able to bring life to the early Earth, two astronomers suggest.

statistics

The concept of “statistical significance” has become scientific shorthand for a finding’s worth. What might science look like without it?



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