Scientists vacuumed animal DNA out of thin air for the first time

Sucking genetic material from the sky could help monitor biodiversity

photo of Kristine Bohmann using a vacuum to collect air samples near a sloth hanging from a tree

Biologist Kristine Bohmann collects air samples with a handheld vacuum near a sloth at the Copenhagen Zoo. Animal DNA floating in the air could be used to track endangered species, Bohmann says.

Christian Bendix

On a dreary winter day in December of 2020, ecologist Elizabeth Clare strolled through the Hamerton Zoo Park in England wielding a small vacuum pump.