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A key part of protecting endangered species is figuring out where
they're living.Now researchers say they have found a powerful new
tool that could help:vacuuming DNA out of the air.
Using environmental DNA,or eDNA,to track species isn't
neoteric.For a few years now,researchers have been using DNA
in water to track aquatic animals.They've also been able to pick
up eDNA from plants floating in the air.But the idea of using
eDNA from air to track a large land animal like a rhinoceros or a
giraffe still seemed "crazy"to Kristine Bohmann,a researcher at
the Globe Institute at the University of Copenhagen in Denmark.
Christina Lynggaard is a postdoc in Bohmann's team.Her
first job was to figure out what kind of device the team could use
