Period 5 element dimethyl telluride, (CH)Te, a gas with a garlic-like odor which is exhaled in the breath of victims of tellurium toxicity or exposure. Iodine is the heaviest essential element utilized widely by life in biological functions (only tungsten, employed in enzymes by a few species of bacteria, is heavier). Iodine's rarity in many soils, due to initial low abundance as a crust-element, and also leaching of soluble iodide by rainwater, has led to many deficiency problems in land animals and inland human populations. Iodine deficiency affects about two billion people and is the leading preventable cause of intellectual disabilities. Iodine is
Without a Trace two seasons. "Without a Trace" took place within Jerry Bruckheimer's "" universe. A crossover episode featured characters Gil Grissom from "CSI" and Jack Malone from "Without a Trace" working together to solve the same case. "Without a Trace" debuted as part of the CBS fall line-up in 2002, created by Hank Steinberg and produced by Jerry Bruckheimer. It was the first show to achieve strong ratings opposite longtime NBC hit medical drama "ER"—which, like "Without a Trace", is produced by Warner Bros. Television. The first two showrunners were Steinberg and Ed Redlich. Between seasons two and three, Redlich moved away