If you donât want to roll your 403b into a traditional IRA, you also have the option to convert it to a Roth IRA. You will have to pay the appropriate tax when you do convert so seek counsel from a tax professional before doing so.
Radium, in the form of radium chloride, was discovered by Marie Curie and Pierre Curie in 1898. They extracted the radium compound from uraninite and published the discovery at the French Academy of Sciences five days later.
History and Uses: Thallium was discovered spectroscopically by Sir William Crookes, an English chemist, in 1861. Crooks had obtained the sludge left over from the production of sulfuric acid (H2SO4) from a friend.