What do you know about current astronomy, science, and medicine?

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Across
  1. 1. what do healers do when they place burning cones onto you?
  2. 3. what invention always points south?
  3. 6. how does the moon shine?
  4. 7. what do healers do when they poke pins into you?
Down
  1. 2. what type of star sweeps through the sky?
  2. 4. what happens when the moon covers the sun?
  3. 5. what invention can predict an earthquake?