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If 18430 + 5bbca = c510a find number abc. Multiple solutions may exist.
If 92cac + 82a0b = 17c7a9 find number abc. Multiple solutions may exist.
If b9552 + b597c = 9553a find number abc. Multiple solutions may exist.

Marie Curie's second Nobel Prize

In 1911, at Stockholm, Sweden, Marie Curie became the first person to be awarded a second Nobel prize. She had isolated radium by electrolyzing molten radium chloride. At the negative electrode the radium formed an amalgam with mercury. Heating the amalgam in a silica tube filled with nitrogen at low pressure boiled away the mercury, leaving pure white deposits of radium. This second prize was for her individual achievements in Chemistry, whereas her first prize (1903) was a collaborative effort with her husband, Pierre Curie, and Henri Becquerel in Physics for her contributions in the discovery of radium and polonium.

Being the boss

A henpecked husband was advised by a psychiatrist to assert himself. "You don't have to let your wife bully you," he said. "Go home and show her you're the boss."

The husband decided to take the doctor's advice. He went home, slammed the door, saw his wife and growled, "From now on you're taking orders from me. I want my supper right now, and after you get it on the table, go upstairs and lay out my clothes. Tonight I am going out with the boys. You are going to stay at home where you belong. Another thing, you know who is going to tie my bow tie?"

"I certainly do," said his wife calmly, "the undertaker."

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