Scientific Discoveries

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Across
  1. 2. Fundamental physics theory initiated by Max Planck
  2. 4. Device that magnifies small objects, key in biology discoveries
  3. 6. Technology invented by Gutenberg, enabling mass production of books
  4. 12. First antibiotic discovered by Alexander Fleming
  5. 14. Science of celestial bodies, among the oldest scientific disciplines
  6. 15. Scientific explanation based on evidence and reasoning
  7. 16. Early discovery allowing humans to cook and stay warm
  8. 17. Wireless communication method developed by Marconi
  9. 18. Liftoff event, as in the first human spaceflight
  10. 20. Immunization tool developed by Edward Jenner for smallpox
Down
  1. 1. Substance used to prevent infection, pioneered by Joseph Lister
  2. 3. Natural force explained by Isaac Newton in 1687
  3. 5. Global communication network first used by the military in 1969
  4. 7. Device invented by Galileo to view distant planets
  5. 8. Fundamental force studied by Benjamin Franklin with a kite
  6. 9. Medical imaging technique discovered by Wilhelm Röntgen
  7. 10. Electronic device first developed for complex calculations
  8. 11. Medicine that kills bacteria, key discovery in treating infections
  9. 13. Invention patented by Thomas Edison, revolutionizing illumination
  10. 19. Molecule containing genetic information, discovered by Watson and Crick