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प्रश्न
Make groups and discuss the following:
Name a few scientists/explorers/social reformers/inventors/discoverers, who spent most of their lives to find solutions to some major problems/setbacks, that mankind faced.
उत्तर
- Scientists
- Marie Curie: Discovered radium and polonium, and her work on radioactivity led to breakthroughs in cancer treatment.
- Albert Einstein: Developed the theory of relativity, which revolutionized our understanding of space, time, and energy.
- Charles Darwin: Introduced the theory of evolution by natural selection, which transformed the study of life sciences.
- Explorers
- Christopher Columbus: Made voyages across the Atlantic Ocean and opened the way for widespread exploration and colonization.
- Marco Polo: Traveled through Asia and documented his experiences, bringing knowledge about the East to Europe.
- Sir Edmund Hillary: One of the first to successfully reach the summit of Mount Everest, inspiring generations of explorers.
- Social Reformers
- Mahatma Gandhi: Led India’s non-violent independence movement and fought against social injustices like discrimination and inequality.
- Martin Luther King Jr.: Fought for civil rights and equality for African Americans through peaceful protests.
- Florence Nightingale: Revolutionized modern nursing practices and worked to improve healthcare and sanitation.
- Inventors
- Thomas Edison: Invented the light bulb and many other devices, making electricity widely accessible and practical.
- Alexander Graham Bell: Invented the telephone, transforming global communication.
- The Wright Brothers (Orville and Wilbur Wright): Pioneered the first successful powered airplane, changing transportation forever.
- Discoverers
- Alexander Fleming: Discovered penicillin, the world’s first antibiotic, which has saved countless lives from bacterial infections.
- James Watson and Francis Crick: Discovered the double-helix structure of DNA, revolutionizing genetics and medicine.
- Rosalind Franklin: Her work with X-ray diffraction was crucial to the discovery of DNA’s structure.
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