Nearly 8,000-year-old skull found in Minnesota River

A partial skull that was discovered last summer by two kayakers in Minnesota will be returned to Native American officials after investigations determined it was about 8,000 years old.

Microplastics permeate seafood across southern Australia

Plastic rubbish is everywhere and now broken-down microplastics have been found in variable concentrations in blue mussels and water within the intertidal zone at some of southern Australia's most popular and more remote ...

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