🧪 Physics & Chemistry Discoveries

1. Gravity (गुरुत्वाकर्षण) – Isaac Newton – 1687
2. Laws of Motion – Isaac Newton – 1687
3. Electricity – Benjamin Franklin – 1752
4. Electromagnetic Induction – Michael Faraday – 1831
5. Radioactivity – Henri Becquerel – 1896
6. Electron – J.J. Thomson – 1897
7. Proton – Ernest Rutherford – 1917
8. Neutron – James Chadwick – 1932
9. Atomic Nucleus – Ernest Rutherford – 1911
10. Periodic Law – Dmitri Mendeleev – 1869

🧬 Biology Discoveries

1. Cell – Robert Hooke – 1665
2. Cell Theory – Schleiden & Schwann – 1838–39
3. Nucleus – Robert Brown – 1831
4. Protoplasm – J.E. Purkinje – 1839
5. Chromosomes – Waldeyer – 1888
6. DNA Structure – Watson & Crick – 1953
7. RNA – Severo Ochoa – 1959
8. Genes – Gregor Mendel – 1866
9. Evolution Theory – Charles Darwin – 1859
10. Natural Selection – Charles Darwin – 1859

🦠 Medical & Health Discoveries

1. Blood Circulation – William Harvey – 1628
2. Blood Groups – Karl Landsteiner – 1901
3. Bacteria – Antonie van Leeuwenhoek – 1674
4. Virus – Martinus Beijerinck – 1898
5. Vaccination – Edward Jenner – 1796
6. Penicillin – Alexander Fleming – 1928
7. Insulin – Banting & Best – 1921
8. Anesthesia – William Morton – 1846
9. X-Rays – Wilhelm Roentgen – 1895
10. Hormones – Ernest Starling – 1905

🌱 Botany & Plant Science

1. Photosynthesis – Joseph Priestley – 1771
2. Transpiration – Stephen Hales – 1727
3. Double Fertilization – S.G. Nawaschin – 1898
4. Xylem & Phloem – Grew & Malpighi – 1670
5. Plant Hormones (Auxin) – F.W. Went – 1928
6. Nitrogen Fixation – Beijerinck – 1901
7. Stomata Function – Marcello Malpighi – 1675

🐾 Zoology & Human Biology

1. Human Skeleton System – Andreas Vesalius – 1543
2. Digestive Enzymes – William Beaumont – 1833
3. Nervous System – Santiago Ramón y Cajal – 1906
4. Reflex Action – Marshall Hall – 1833
5. Endocrine System – Bayliss & Starling – 1902
6. Human Blood Pressure – Stephen Hales – 1733

🌌 Astronomy & Space Discoveries

1. Heliocentric Theory – Nicolaus Copernicus – 1543
2. Laws of Planetary Motion – Johannes Kepler – 1609
3. Jupiter’s Moons – Galileo Galilei – 1610
4. Saturn Rings – Galileo Galilei – 1610
5. Uranus Planet – William Herschel – 1781
6. Neptune Planet – Johann Galle – 1846
7. Pluto – Clyde Tombaugh – 1930
8. Milky Way Galaxy – Galileo – 1610
9. Expanding Universe – Edwin Hubble – 1929

🌍 Geography & Earth Science

1. Earth is Round – Aristotle – 350 BC
2. Earth Rotation – Copernicus – 1543
3. Earth Revolution – Copernicus – 1543
4. Atmosphere Layers – Leon Teisserenc – 1902
5. Ozone Layer – Charles Fabry – 1913
6. Magnetic Poles – William Gilbert – 1600
7. Continents Drift – Alfred Wegener – 1912

🧠 Psychology & Social Science

1. Psychoanalysis – Sigmund Freud – 1896
2. Intelligence Quotient (IQ) – Alfred Binet – 1905
3. Conditioned Reflex – Ivan Pavlov – 1903
4. Behaviorism – John B. Watson – 1913

⚛ Nuclear & Modern Physics

1. Nuclear Fission – Otto Hahn – 1938
2. Nuclear Fusion – Hans Bethe – 1939
3. Theory of Relativity – Albert Einstein – 1905
4. Photoelectric Effect – Albert Einstein – 1905
5. Quantum Theory – Max Planck – 1900

🧪 Chemistry Discoveries

1. Oxygen – Joseph Priestley – 1774
2. Hydrogen – Henry Cavendish – 1766
3. Nitrogen – Daniel Rutherford – 1772
4. Carbon Dioxide – Joseph Black – 1754
5. Acids & Bases Theory – Arrhenius – 1884
6. pH Scale – Søren Sørensen – 1909

🌊 Ocean & Environment

1. Ocean Currents – Benjamin Franklin – 1769
2. Tides – Isaac Newton – 1687
3. Greenhouse Effect – Joseph Fourier – 1824
4. Global Warming – Svante Arrhenius – 1896

🇮🇳 Indian & Ancient Discoveries

1. Zero (शून्य) – Aryabhata – 499
2. ADPi Value Approximation – Aryabhata – 499 AD
3. Ayurveda Principles – Charaka – 1000 BC
4. Plastic Surgery – Sushruta – 600 BC
5. Earth Rotation – Aryabhata – 499 AD

🧬 Genetics & Biotechnology

1. DNA as Genetic Material – Hershey & Chase – 1952
2. Genetic Code – Marshall Nirenberg – 1961
3. Restriction Enzymes – Hamilton Smith – 1970
4. PCR Technique – Kary Mullis – 1983
5. Stem Cells – James Thomson – 1998

🌐 Modern Science Discoveries

1. Ozone Hole – Joseph Farman – 1985
2. HIV Virus – Luc Montagnier – 1983
3. Helicobacter pylori – Barry Marshall – 1982
4. Dark Matter – Fritz Zwicky – 1933
5. Dark Energy – Saul Perlmutter – 1998

➕ Extra Important Discoveries

1. Sound Waves – Heinrich Hertz – 1887
2. Radio Waves – Heinrich Hertz – 1886
3. Cosmic Rays – Victor Hess – 1912
4. Green Fluorescent Protein – Osamu Shimomura – 1962
5. CRISPR Gene Editing – Doudna & Charpentier – 2012

🎯 Final Set

1. Vaccination Principle – Edward Jenner – 1796
2. Brain Localization – Paul Broca – 1861
3. Memory Neurons – Eric Kandel – 1970
4. Sleep Cycle (REM) – Aserinsky – 1953
5. Human Genome – International Project – 2003
6. Exoplanets – Michel Mayor – 1995
7. Gravitational Waves – LIGO – 2015