Bismuth has long been considered as the element with the highest atomic mass that is stable. However, in 2003 it was discovered to be weakly radioactive: its only primordial isotope, bismuth-209, decays via alpha decay with a half life more than a billion times the estimated age of the universe.lemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores. The free element is 86% as dense as lead. It is a brittle metal with a silvery white color when freshly produced, but is often seen in air with a pink tinge owing to surface oxidation.
President Obama is lifting some restrictions on Cuban Americans' contact with Cuba and allowing U.S. telecom companies to operate there, opening up the communist island nation to more cellular and satellite service, White House press secretary Robert Gibbs announced at his regular news briefing today.
Cigar-loving travelers won't have to hide their Cubans in their luggage anymore. Tobacco products from Cuba are among the goods allowed under new trade normalization rules that President Obama announced Wednesday. The eased restrictions mean that approved travelers will be able to bring home $100 of cigars.SA TODAY. Obama opens doors to Cuba after 56 years. That $100 limit could keep the price of Cuban cigars from rising globally. I don't know that we'll see much of a change â especially early on, says Anthony Welsch of CigarsCity.com, an online cigar seller based in Knoxville, Tenn.