Across
- 3. – equilibrium, consistency
- 10. – cyclic, recurring
- 13. – methods, approaches
- 14. – eponym, counterpart
- 16. – endeavor, exertion
- 21. – reliable, dependable
- 22. – U, nuclear material
- 23. – microbes, germs
- 24. – suggestion, proposition
- 26. – formation, invention
- 27. – infinitely, ceaselessly
- 28. – uses, implementations
Down
- 1. – intelligent, dazzling
- 2. – Db, transition metal
- 4. – billions, countless
- 5. – lab, research center
- 6. – arms, armaments
- 7. – particles, nuclei
- 8. – Pu, radioactive element
- 9. – fungi, toadstools
- 11. – investigation, study
- 12. – crucial, decisive
- 15. – highly, immensely
- 17. – anxieties, worries
- 18. – islet, archipelago
- 19. – Fl, superheavy element
- 20. – element-related
- 25. – mineral, element