Science

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Across
  1. 5. Made major contributions to cosmology and black hole theory.
  2. 7. Pioneered research on radioactivity and discovered elements polonium and radium.
  3. 9. Known for contributions to AC electricity design.
  4. 11. calculated using the Pythagorean theorem
Down
  1. 1. Developed the theory of evolution by natural selection.
  2. 2. Proved formula E = mc²
  3. 3. Advanced astronomy and physics through telescopic observations.
  4. 4. Regulates most blood
  5. 6. A rugby ball shaped planet in our solar system
  6. 8. He discovered gravity
  7. 10. It's pregnancy lasts 22 months