1 00:00:07,069 --> 00:00:10,558 If you want a glimpse of Marie Curie's manuscripts, 2 00:00:10,558 --> 00:00:13,409 you'll have to sign a waiver and put on protective gear 3 00:00:13,409 --> 00:00:16,718 to shield yourself from radiation contamination. 4 00:00:16,718 --> 00:00:21,187 Madame Curie's remains, too, were interred in a lead-lined coffin, 5 00:00:21,187 --> 00:00:24,052 keeping the radiation that was the heart of her research, 6 00:00:24,052 --> 00:00:27,858 and likely the cause of her death, well contained. 7 00:00:27,858 --> 00:00:31,078 Growing up in Warsaw in Russian-occupied Poland, 8 00:00:31,078 --> 00:00:34,671 the young Marie, originally named Maria Sklodowska, 9 00:00:34,671 --> 00:00:38,868 was a brilliant student, but she faced some challenging barriers. 10 00:00:38,868 --> 00:00:42,498 As a woman, she was barred from pursuing higher education, 11 00:00:42,498 --> 00:00:44,519 so in an act of defiance, 12 00:00:44,519 --> 00:00:47,479 Marie enrolled in the Floating University, 13 00:00:47,479 --> 00:00:52,859 a secret institution that provided clandestine education to Polish youth. 14 00:00:52,859 --> 00:00:55,679 By saving money and working as a governess and tutor, 15 00:00:55,679 --> 00:01:00,549 she eventually was able to move to Paris to study at the reputed Sorbonne. 16 00:01:00,549 --> 00:01:03,660 There, Marie earned both a physics and mathematics degree 17 00:01:03,660 --> 00:01:05,940 surviving largely on bread and tea, 18 00:01:05,940 --> 00:01:09,010 and sometimes fainting from near starvation. 19 00:01:09,010 --> 00:01:11,840 In Paris, Marie met the physicist Pierre Curie, 20 00:01:11,840 --> 00:01:15,099 who shared his lab and his heart with her. 21 00:01:15,099 --> 00:01:17,620 But she longed to be back in Poland. 22 00:01:17,620 --> 00:01:19,239 Upon her return to Warsaw, though, 23 00:01:19,239 --> 00:01:21,879 she found that securing an academic position as a woman 24 00:01:21,879 --> 00:01:23,620 remained a challenge. 25 00:01:23,620 --> 00:01:25,020 All was not lost. 26 00:01:25,020 --> 00:01:27,401 Back in Paris, the lovelorn Pierre was waiting, 27 00:01:27,401 --> 00:01:31,141 and the pair quickly married and became a formidable scientific team. 28 00:01:31,141 --> 00:01:35,119 Another physicist's work sparked Marie Curie's interest. 29 00:01:35,119 --> 00:01:41,181 In 1896, Henri Becquerel discovered that uranium spontaneously emitted 30 00:01:41,181 --> 00:01:47,070 a mysterious X-ray-like radiation that could interact with photographic film. 31 00:01:47,070 --> 00:01:51,551 Curie soon found that the element thorium emitted similar radiation. 32 00:01:51,551 --> 00:01:55,001 Most importantly, the strength of the radiation 33 00:01:55,001 --> 00:01:57,262 depended solely on the element's quantity, 34 00:01:57,262 --> 00:02:00,781 and was not affected by physical or chemical changes. 35 00:02:00,781 --> 00:02:04,492 This led her to conclude that radiation was coming from something fundamental 36 00:02:04,492 --> 00:02:07,371 within the atoms of each element. 37 00:02:07,371 --> 00:02:08,663 The idea was radical 38 00:02:08,663 --> 00:02:14,041 and helped to disprove the long-standing model of atoms as indivisible objects. 39 00:02:14,041 --> 00:02:18,442 Next, by focusing on a super radioactive ore called pitchblende, 40 00:02:18,442 --> 00:02:23,914 the Curies realized that uranium alone couldn't be creating all the radiation. 41 00:02:23,914 --> 00:02:28,524 So, were there other radioactive elements that might be responsible? 42 00:02:28,524 --> 00:02:32,455 In 1898, they reported two new elements, 43 00:02:32,455 --> 00:02:35,407 polonium, named for Marie's native Poland, 44 00:02:35,407 --> 00:02:38,433 and radium, the Latin word for ray. 45 00:02:38,433 --> 00:02:42,384 They also coined the term radioactivity along the way. 46 00:02:42,384 --> 00:02:48,715 By 1902, the Curies had extracted a tenth of a gram of pure radium chloride salt 47 00:02:48,715 --> 00:02:51,287 from several tons of pitchblende, 48 00:02:51,287 --> 00:02:53,536 an incredible feat at the time. 49 00:02:53,536 --> 00:02:56,476 Later that year, Pierre Curie and Henri Becquerel 50 00:02:56,476 --> 00:02:59,336 were nominated for the Nobel Prize in physics, 51 00:02:59,336 --> 00:03:01,105 but Marie was overlooked. 52 00:03:01,105 --> 00:03:04,767 Pierre took a stand in support of his wife's well-earned recognition. 53 00:03:04,767 --> 00:03:11,226 And so both of the Curies and Becquerel shared the 1903 Nobel Prize, 54 00:03:11,226 --> 00:03:16,116 making Marie Curie the first female Nobel Laureate. 55 00:03:16,116 --> 00:03:20,047 Well funded and well respected, the Curies were on a roll. 56 00:03:20,047 --> 00:03:24,686 But tragedy struck in 1906 when Pierre was crushed by a horse-drawn cart 57 00:03:24,686 --> 00:03:27,037 as he crossed a busy intersection. 58 00:03:27,037 --> 00:03:29,887 Marie, devastated, immersed herself in her research 59 00:03:29,887 --> 00:03:32,816 and took over Pierre's teaching position at the Sorbonne, 60 00:03:32,816 --> 00:03:36,057 becoming the school's first female professor. 61 00:03:36,057 --> 00:03:38,356 Her solo work was fruitful. 62 00:03:38,356 --> 00:03:40,728 In 1911, she won yet another Nobel, 63 00:03:40,728 --> 00:03:44,867 this time in chemistry for her earlier discovery of radium and polonium, 64 00:03:44,867 --> 00:03:49,348 and her extraction and analysis of pure radium and its compounds. 65 00:03:49,348 --> 00:03:51,527 This made her the first, and to this date, 66 00:03:51,527 --> 00:03:56,368 only person to win Nobel Prizes in two different sciences. 67 00:03:56,368 --> 00:03:58,959 Professor Curie put her discoveries to work, 68 00:03:58,959 --> 00:04:02,218 changing the landscape of medical research and treatments. 69 00:04:02,218 --> 00:04:05,347 She opened mobile radiology units during World War I, 70 00:04:05,347 --> 00:04:08,779 and investigated radiation's effects on tumors. 71 00:04:08,779 --> 00:04:12,768 However, these benefits to humanity may have come at a high personal cost. 72 00:04:12,768 --> 00:04:15,979 Curie died in 1934 of a bone marrow disease, 73 00:04:15,979 --> 00:04:19,679 which many today think was caused by her radiation exposure. 74 00:04:19,679 --> 00:04:22,764 Marie Curie's revolutionary research 75 00:04:22,764 --> 00:04:26,016 laid the groundwork for our understanding of physics and chemistry, 76 00:04:26,016 --> 00:04:31,319 blazing trails in oncology, technology, medicine, and nuclear physics, 77 00:04:31,319 --> 00:04:33,423 to name a few. 78 00:04:33,423 --> 00:04:37,334 For good or ill, her discoveries in radiation launched a new era, 79 00:04:37,334 --> 00:04:40,320 unearthing some of science's greatest secrets.