The term half-life describes how long it will take for half of the atoms to decay, and is constant for a given isotope. The curie the unit of measure used to describe the radioactivity of radioactive material. (1C = 3.7 X 1010 disintegrations/sec)
Maria Callas, 53, Is Dead of Heart Attack in Paris. By RAYMOND ERICSON. Maria Callas, the soprano whose intensely dramatic portrayals made her the most exciting opera singer of her time, died of a heart attack yesterday at her home in Paris. She was 53 years old.
Free sign up cp newsletter! Actor Ryan O'Neal has spoken about his heartbreak after cradling his lover Farrah Fawcett for the final hours before she died of cancer. The tragedy happened in 2006, when the Charlie's Angels actress succumbed to anal cancer. O'Neal tended to her as she deteriorated in the final stages of the cancer.