7 More Big (and Amazing!) Questions About the Future of Humanity

Phil and Stephen compare their answers to big questions about the future of humanity with a panel of experts interviewed by Scientific American. (Part one of this series is here.)

8. Will sex become obsolescent?

9. Could we one day replace all of the tissues in the human body through engineering?

10. Can we avoid a “sixth extinction”?

11. Can we feed the planet without destroying it?

12. Will we ever colonize outer space?

13. Will we discover a twin Earth?

14. Will there ever be a cure for Alzheimer’s?
 

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