1. Humanity’s ____ has shaped myths, religions, and scientific ambitions for centuries. 2. Progress in life-extension research is often ____ ethical dilemmas and limited funding. 3. Our ____ plays a key role in determining how long we live and how we age. 4. Even if successful, the quest for immortality carries ____, such as inequality or overpopulation. 5. The fear of death seems ____, influencing much of human culture and behavior. 6. Scientists are researching ways to ____ through genetic engineering and advanced medicine. 7. Researchers are racing to ____ of aging at the cellular level. 8. Some futurists believe humans may one day ____ with the help of mind-uploading technologies. 9. Certain marine creatures ____, showing no signs of aging as they revert to earlier life stages. 10. To many, the ultimate dream is to ____ and achieve immortality. 11. Any attempt to live forever is ____ ethical, psychological, and social questions. 12. The idea of uploading your mind into a robot still feels rather ____. 13. Radical life extension inevitably ____, whether financial, societal, or personal. 14. Breakthroughs in biotechnology may allow us to ____ far beyond what is currently possible. 15. If technology advances enough, we might be able to ____ into artificial bodies. 16. From ____, immortality may create more problems than it solves.

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