WASHINGTON (AP) — President Donald Trump says Wednesday will be “Liberation Day” — a moment when he plans to roll out a set ...

The tool we've identified is called a Quina scraper. This type of stone tool is well known from archaeological sites in ...

Discovery in China of tools called Quina scrapers suggests the people of East Asia were as inventive and flexible with ...

A style of primitive stone tools named for the French site where they were first discovered have shown up half a world away.