0:00:07.069,0:00:10.558 If you want a glimpse [br]of Marie Curie's manuscripts, 0:00:10.558,0:00:13.409 you'll have to sign a waiver and put on[br]protective gear 0:00:13.409,0:00:16.718 to shield yourself [br]from radiation contamination. 0:00:16.718,0:00:21.187 Madame Curie's remains, too,[br]were interred in a lead-lined coffin, 0:00:21.187,0:00:24.052 keeping the radiation that was the heart[br]of her research, 0:00:24.052,0:00:27.858 and likely the cause of her death,[br]well contained. 0:00:27.858,0:00:31.078 Growing up in Warsaw [br]in Russian-occupied Poland, 0:00:31.078,0:00:34.671 the young Marie, originally named[br]Maria Sklodowska, 0:00:34.671,0:00:38.868 was a brilliant student,[br]but she faced some challenging barriers. 0:00:38.868,0:00:42.498 As a woman, she was barred from pursuing[br]higher education, 0:00:42.498,0:00:44.519 so in an act of defiance, 0:00:44.519,0:00:47.479 Marie enrolled in the Floating University, 0:00:47.479,0:00:52.859 a secret institution that provided[br]clandestine education to Polish youth. 0:00:52.859,0:00:55.679 By saving money and working[br]as a governess and tutor, 0:00:55.679,0:01:00.549 she eventually was able to move to Paris[br]to study at the reputed Sorbonne. 0:01:00.549,0:01:03.660 There, Marie earned both a physics[br]and mathematics degree 0:01:03.660,0:01:05.940 surviving largely on bread and tea, 0:01:05.940,0:01:09.010 and sometimes fainting [br]from near starvation. 0:01:09.010,0:01:11.840 In Paris, Marie met the physicist [br]Pierre Curie, 0:01:11.840,0:01:15.099 who shared his lab and his heart with her. 0:01:15.099,0:01:17.620 But she longed to be back in Poland. 0:01:17.620,0:01:19.239 Upon her return to Warsaw, though, 0:01:19.239,0:01:21.879 she found that securing [br]an academic position as a woman 0:01:21.879,0:01:23.620 remained a challenge. 0:01:23.620,0:01:25.020 All was not lost. 0:01:25.020,0:01:27.401 Back in Paris, [br]the lovelorn Pierre was waiting, 0:01:27.401,0:01:31.141 and the pair quickly married and became[br]a formidable scientific team. 0:01:31.141,0:01:35.119 Another physicist's work sparked[br]Marie Curie's interest. 0:01:35.119,0:01:41.181 In 1896, Henri Becquerel discovered[br]that uranium spontaneously emitted 0:01:41.181,0:01:47.070 a mysterious X-ray-like radiation that[br]could interact with photographic film. 0:01:47.070,0:01:51.551 Curie soon found that the element[br]thorium emitted similar radiation. 0:01:51.551,0:01:55.001 Most importantly, [br]the strength of the radiation 0:01:55.001,0:01:57.262 depended solely on the element's quantity, 0:01:57.262,0:02:00.781 and was not affected by physical[br]or chemical changes. 0:02:00.781,0:02:04.492 This led her to conclude that radiation[br]was coming from something fundamental 0:02:04.492,0:02:07.371 within the atoms of each element. 0:02:07.371,0:02:08.663 The idea was radical 0:02:08.663,0:02:14.041 and helped to disprove the long-standing[br]model of atoms as indivisible objects. 0:02:14.041,0:02:18.442 Next, by focusing on a super radioactive [br]ore called pitchblende, 0:02:18.442,0:02:23.914 the Curies realized that uranium alone[br]couldn't be creating all the radiation. 0:02:23.914,0:02:28.524 So, were there other radioactive elements[br]that might be responsible? 0:02:28.524,0:02:32.455 In 1898, they reported two new elements, 0:02:32.455,0:02:35.407 polonium, named for Marie's native Poland, 0:02:35.407,0:02:38.433 and radium, the Latin word for ray. 0:02:38.433,0:02:42.384 They also coined the term radioactivity[br]along the way. 0:02:42.384,0:02:48.715 By 1902, the Curies had extracted a tenth[br]of a gram of pure radium chloride salt 0:02:48.715,0:02:51.287 from several tons of pitchblende, 0:02:51.287,0:02:53.536 an incredible feat at the time. 0:02:53.536,0:02:56.476 Later that year, Pierre Curie [br]and Henri Becquerel 0:02:56.476,0:02:59.336 were nominated for [br]the Nobel Prize in physics, 0:02:59.336,0:03:01.105 but Marie was overlooked. 0:03:01.105,0:03:04.767 Pierre took a stand in support[br]of his wife's well-earned recognition. 0:03:04.767,0:03:11.226 And so both of the Curies and Becquerel[br]shared the 1903 Nobel Prize, 0:03:11.226,0:03:16.116 making Marie Curie the first female[br]Nobel Laureate. 0:03:16.116,0:03:20.047 Well funded and well respected,[br]the Curies were on a roll. 0:03:20.047,0:03:24.686 But tragedy struck in 1906 when Pierre[br]was crushed by a horse-drawn cart 0:03:24.686,0:03:27.037 as he crossed a busy intersection. 0:03:27.037,0:03:29.887 Marie, devastated, immersed herself[br]in her research 0:03:29.887,0:03:32.816 and took over Pierre's teaching position[br]at the Sorbonne, 0:03:32.816,0:03:36.057 becoming the school's [br]first female professor. 0:03:36.057,0:03:38.356 Her solo work was fruitful. 0:03:38.356,0:03:40.728 In 1911, she won yet another Nobel, 0:03:40.728,0:03:44.867 this time in chemistry for her earlier[br]discovery of radium and polonium, 0:03:44.867,0:03:49.348 and her extraction and analysis of[br]pure radium and its compounds. 0:03:49.348,0:03:51.527 This made her the first, [br]and to this date, 0:03:51.527,0:03:56.368 only person to win Nobel Prizes[br]in two different sciences. 0:03:56.368,0:03:58.959 Professor Curie put [br]her discoveries to work, 0:03:58.959,0:04:02.218 changing the landscape of medical research[br]and treatments. 0:04:02.218,0:04:05.347 She opened mobile radiology units[br]during World War I, 0:04:05.347,0:04:08.779 and investigated radiation's[br]effects on tumors. 0:04:08.779,0:04:12.768 However, these benefits to humanity[br]may have come at a high personal cost. 0:04:12.768,0:04:15.979 Curie died in 1934 of [br]a bone marrow disease, 0:04:15.979,0:04:19.679 which many today think was caused[br]by her radiation exposure. 0:04:19.679,0:04:22.764 Marie Curie's revolutionary research 0:04:22.764,0:04:26.016 laid the groundwork for our understanding[br]of physics and chemistry, 0:04:26.016,0:04:31.319 blazing trails in oncology, technology, [br]medicine, and nuclear physics, 0:04:31.319,0:04:33.423 to name a few. 0:04:33.423,0:04:37.334 For good or ill, her discoveries [br]in radiation launched a new era, 0:04:37.334,0:04:40.320 unearthing some of [br]science's greatest secrets.