These parasites, which represented more than half of the researchers’ sample, declined an average of 11 percent each decade between 1880 and 2019.

She then shows the parasites in question, which appear to be present in both pieces of salmon. “So, if Costco would like to let me know why there’s parasites in my salmon,” she says.

A subpolar species associated with Atlantic water expanded far into the Arctic Ocean during the Last Interglacial, analysis of microfossil content of sediment cores reveals. This implies that ...

The Carboniferous period is pivotal in the geological record, marked by intricate stratigraphic sequences and diverse microfossil assemblages that reveal past environmental conditions and tectonic ...