Guess the stupid science acronym (that usually isn't even an acronym)

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Across
  1. 3. Goddess of the hunt, Central Laser Facility
  2. 9. Animal with 3 hearts, Central Laser Facility
  3. 10. Castor and Pollux, Central Laser Facility
  4. 11. Personification of the rainbow, Scientific Computing, ISIS Neutron and Muon Source
  5. 12. Worn when it's cold, Scientific Computing
Down
  1. 1. Pillar of the Earth, CERN (Particle Physics Department)
  2. 2. Mountain nymph, Scientific Computing
  3. 4. Known better from the BBC show than the legend, ISIS Neutron and Muon Source
  4. 5. North Pole, ISIS Neutron and Muon Source
  5. 6. Insects, Boulby Underground Laboratory (Particle Physics Department)
  6. 7. In wonderland, CERN (Particle Physics Department)
  7. 8. Popular snack, ISIS Neutron and Muon Source