More than a mile under the ground in the southwestern corner of Arkansas lies a resource unique in the U.S.: salty brines rich in bromine. Seaweed and plankton that decomposed during the Jurassic ...

A dilute solution of bromine is added to samples of heptane and cyclohexene. The bromination reactions and mechanisms are compared. UV light splits the bromine molecule into two reactive radicals, ...

There are chemical changes during the burial times and those changes show that the soil had been involved with water. "The telltale thing was a higher proportion of hematite in the coatings. We hadn't ...