1.   A similar chemical reaction, researchers discovered, could be taking place between the mantle and the core.

2.   After discovering a researcher who might have a cure for depression, company executives rush the drug into production and throw a party to celebrate its success.

3.   But nobody ever doubted, nor have researchers discovered, that anyone but Truman himself made his decisions, then stuck to them.

4.   The answer, the researchers discovered, was a phenomenon called the triboelectric effect.

5.   Their loudness, the researchers discovered, has nothing to do with how fast wrapping is undone.

6.   These archea, the researchers discovered, are able to transform sulfides in metal ores into sulfuric acid.