"They are technically known as quaternary twins," Briana explained to ABC News. "So they, because they are genetic brothers ...

Climate change and the developments it spurs carry the narrative of the Quaternary, the most recent 2.6 million years of Earth's history. Glaciers advance from the Poles and then retreat ...

IN solvent extraction processes involving four liquid components, the interpretation of quaternary equilibria requires extensive data, the experimental determination of which is frequently ...

Next in the chain come tertiary and quaternary industries, also known as the service industries. Tertiary and quaternary industries tend to be more important in more economically developed countries.