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Woolly mammoth among trove of ancient DNA found in squirrel poo
A huge treasure trove of ancient DNA from animals including extinct woolly mammoths has been discovered in frozen squirrel faeces in Canada's remote Yukon territory, scientists said Tuesday.
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6 prospettive sulla stessa storiaTimeline cronologica
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abc.es
Excrementos de ardilla muestran la evolución del paisaje en Canadá desde hace 700.000 años
Contienen ADN antiguo de mamuts, bisontes, caballos y cientos de especies de plantas
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newscientist.com
Frozen squirrel scat preserves ancient DNA from hundreds of species
A complex ecosystem of woolly mammoths, bison, horses and big cats has been elucidated by studying the faeces of small rodents that probably ate the bigger animals
