Marie Curie (November 17, 1867-July 4, 1934) was a Polish-French physicist and chemist. A pioneer in the study of radioactivity, Madame Curie ventured to discover the "X" in X-rays. In addition to ...
Marco Polo September 15 1254January 8 1324 was a welltraveled Venetian explorer and trader He intrigued audiences with his tales of magnificent palaces filled with precious stones rivers filled with ...
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