Our life stories will unfold in 94 films about 94 elements

Of the 94 naturally occurring elements, we're on intimate terms with some, but others may be complete strangers. Oxygen (O), carbon (C), sodium (Na), calcium (Ca) - we can probably easily discuss their role in our lives. But what about tantalum (Ta), promethium (Pm), scandium (Sc), and Yttrium (Y)? What part do… » 5/05/12 12:30pm 5/05/12 12:30pm