settled science is dangerous thinking. don't get your 'science' from people who think it is settled.
Tiny organisms were discovered by University of Sheffield experts on a research balloon they had sent 27km (16.7 miles) into the atmosphere during last month's Perseids meteor shower.
The microscopic bugs were detected when the balloon landed back on the ground in Wakefield, West Yorkshire.
But the scientists insist the samples could not have been carried from the Earth's surface into the stratosphere - the second layer of our atmosphere, which stretches up to 50km (31 miles) from the ground.
Strict tests were taken to avoid any contamination, they said.
Diatom fragment
This fragment of an organism was also found, scientists said
Professor Milton Wainwright, who led the team, said: "Most people will assume that these biological particles must have just drifted up to the stratosphere from Earth, but it is generally accepted that a particle of the size found cannot be lifted from Earth to heights of, for example, 27km.
"The only known exception is by a violent volcanic eruption, none of which occurred within three years of the sampling trip."
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