< Return to Video

The genius of Marie Curie - Shohini Ghose

  • 0:07 - 0:11
    If you want a glimpse
    of Marie Curie's manuscripts,
  • 0:11 - 0:13
    you'll have to sign a waiver and put on
    protective gear
  • 0:13 - 0:17
    to shield yourself
    from radiation contamination.
  • 0:17 - 0:21
    Madam Curie's remains, too,
    were interred in a lead-lined coffin,
  • 0:21 - 0:24
    keeping the radiation that was the heart
    of her research,
  • 0:24 - 0:28
    and likely the cause of her death,
    well contained.
  • 0:28 - 0:31
    Growing in Warsaw
    in Russian-occupied Poland,
  • 0:31 - 0:35
    the young Marie, originally named
    Maria Sklodowska,
  • 0:35 - 0:39
    was a brilliant student,
    but she faced some challenging barriers.
  • 0:39 - 0:42
    As a woman, she was barred from pursuing
    higher education,
  • 0:42 - 0:45
    so in an act of definace,
  • 0:45 - 0:47
    Marie enrolled in the Floating University,
  • 0:47 - 0:53
    a secret institution that provided
    clandestine education to Polish youth.
  • 0:53 - 0:56
    By saving money and working
    as a governess and tutor,
  • 0:56 - 1:01
    she eventually was able to move to Paris
    to study at the reputed Sorbonne.
  • 1:01 - 1:04
    There, Marie earned both a physics
    and mathematics degree
  • 1:04 - 1:06
    surviving largely on bread and tea,
  • 1:06 - 1:09
    and sometimes fainting
    from near starvation.
  • 1:09 - 1:12
    In Paris, Marie met the physicist
    Pierre Curie,
  • 1:12 - 1:15
    who shared his lab and his heart with her.
  • 1:15 - 1:18
    But she longed to be back in Poland.
  • 1:18 - 1:19
    Upon her return to Warsaw, though,
  • 1:19 - 1:22
    she found that securing
    an academic position as a woman
  • 1:22 - 1:24
    remained a challenge.
  • 1:24 - 1:25
    All was not lost.
  • 1:25 - 1:27
    Back in Paris,
    the lovelorn Pierre was waiting,
  • 1:27 - 1:31
    and the pair quickly married and became
    a formidable scientific team.
  • 1:31 - 1:35
    Another physicist's work sparked
    Marie Curie's interest.
  • 1:35 - 1:41
    In 1896, Henri Becquerel discovered
    that uranium spontaneously emitted
  • 1:41 - 1:47
    a mysterious X-ray-like radiation that
    could interact with photographic film.
  • 1:47 - 1:52
    Curie soon found that the element
    thorium emitted similar radiation.
  • 1:52 - 1:55
    Most importantly,
    the strength of the radiation
  • 1:55 - 1:57
    depended solely on the element's quantity,
  • 1:57 - 2:01
    and was not affected by physical
    or chemical changes.
  • 2:01 - 2:04
    This lead her to conclude that radiation
    was coming from something fundamental
  • 2:04 - 2:07
    within the atoms of each element.
  • 2:07 - 2:09
    The idea was radical,
  • 2:09 - 2:14
    and helped to disprove the long-standing
    model of atoms as indivisible objects.
  • 2:14 - 2:18
    Next, by focusing on a super radioactive
    ore called pitchblende,
  • 2:18 - 2:24
    the Curies realized that uranium alone
    couldn't be creating all the radiation.
  • 2:24 - 2:29
    So, were there other radioactive elements
    that might be responsible?
  • 2:29 - 2:32
    In 1898, they reported two new elements,
  • 2:32 - 2:35
    polonium, named for Marie's native Poland,
  • 2:35 - 2:38
    and radium, the latin word for ray.
  • 2:38 - 2:42
    They also coined the term radioactivity
    along the way.
  • 2:42 - 2:49
    By 1902, the Curies had extracted a tenth
    of a gram of pure radium chloride salt
  • 2:49 - 2:51
    from several tons of pitchblende,
  • 2:51 - 2:54
    an incredible feat at the time.
  • 2:54 - 2:56
    Later that year, Pierre Curie
    and Henri Becquerel
  • 2:56 - 2:59
    were nominated for
    the Nobel Prize in physics,
  • 2:59 - 3:01
    but Marie was overlooked.
  • 3:01 - 3:05
    Pierre took a stand in support
    of his wife's well-earned recognition.
  • 3:05 - 3:11
    And so both of the Curies and Becquerel
    shared the 1903 Nobel Prize,
  • 3:11 - 3:16
    making Marie Curie the first female
    Nobel Laureate.
  • 3:16 - 3:20
    Well funded and well respected,
    the Curies were on a roll.
  • 3:20 - 3:25
    But tragedy struck in 1906 when Pierre
    was crushed by a horse-drawn cart
  • 3:25 - 3:27
    as he crossed a busy intersection.
  • 3:27 - 3:30
    Marie, devastated, immersed herself
    in her research
  • 3:30 - 3:33
    and took over Pierre's teaching position
    at the Sorbonne,
  • 3:33 - 3:36
    becoming the school's
    first female professor.
  • 3:36 - 3:38
    Her solo work was fruitful.
  • 3:38 - 3:41
    In 1911, she won yet another Nobel,
  • 3:41 - 3:45
    this time in chemistry for her earlier
    discovery of radium and polonium,
  • 3:45 - 3:49
    and her extraction and analysis of
    pure radium and its compounds.
  • 3:49 - 3:52
    This made her the first,
    and to this date,
  • 3:52 - 3:56
    only person to win Nobel Prizes
    in two different sciences.
  • 3:56 - 3:59
    Professor Curie put
    her discoveries to work,
  • 3:59 - 4:02
    changing the landscape of medical research
    and treatments.
  • 4:02 - 4:05
    She opened mobile radiology units
    during World War I,
  • 4:05 - 4:09
    and investigated radiation's
    effects on tumors.
  • 4:09 - 4:13
    However, these benefits to humanity
    may have come at a high personal cost.
  • 4:13 - 4:16
    Curie died in 1934 of
    a bone marrow disease,
  • 4:16 - 4:20
    which many today think was caused
    by her radiation exposure.
  • 4:20 - 4:23
    Marie Curie's revolutionary research
  • 4:23 - 4:26
    laid the groundwork for our understanding
    of physics and chemistry,
  • 4:26 - 4:31
    blazing trails in oncology, technology,
    medicine, and nuclear physics,
  • 4:31 - 4:33
    to name a few.
  • 4:33 - 4:37
    For good or ill, her discoveries
    in radiation launched a new era,
  • 4:37 - 4:40
    unearthing some of
    science's greatest secrets.
Title:
The genius of Marie Curie - Shohini Ghose
Speaker:
Shohini Ghose
Description:

more » « less
Video Language:
English
Team:
closed TED
Project:
TED-Ed
Duration:
05:04
Jessica Ruby approved English subtitles for The genius of Marie Curie Jun 7, 2017, 10:29 PM
Jessica Ruby accepted English subtitles for The genius of Marie Curie Jun 7, 2017, 10:29 PM
Jessica Ruby edited English subtitles for The genius of Marie Curie Jun 7, 2017, 10:29 PM
Jennifer Cody edited English subtitles for The genius of Marie Curie Jun 6, 2017, 1:49 AM

English subtitles

Revisions Compare revisions