A team of researchers has come up with a list of two dozen “ultraconserved words” that have survived 150 centuries.
The most famous trail of prints has been nicknamed “Johnny Walker” by researchers and was made by a baby Tyrannosaurus Rex.
But researchers estimate that some 80 percent of Americans currently going gluten-free do not have celiac disease.
1570s, "act of searching closely," from Middle French recerche (1530s, Modern French recherche), back-formation from Old French recercher (see research (v.)). Meaning "scientific inquiry" is first attested 1630s. Phrase research and development is recorded from 1923.