From Newsgroup: soc.culture.china

"Dublin is known as a city where you can enjoy a few pints of Guiness,
get a warm welcome from the locals and hear lively traditional music
drifting out of pubs and into the city air.

But it's not just music floating on the breeze. The air of Dublin also
contains cannabis, poppy, even magic mushrooms -- at least their DNA.

That's according to a new study that reveals the power of DNA, vacuumed
up from the air, which can track everything from elusive bobcats to
illicit drugs.

"The level of information that's available in environmental DNA is such
that we're only starting to consider what the potential applications can
be, from humans, to wildlife to other species that have implications for
human health," said David Duffy, Ph.D., a professor of wildlife disease genomics at the University of Florida and lead author of a new study
showing the widespread utility of DNA vacuumed from the air." (Science
Daily)
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