What do you wonder about? What Is . . . discusses material that perplexes most people at some point in their life. What is time? Is it an illusion? What is the origin of the universe? What is the origin of animal life on Earth? Mass, charge, and spin are the three properties of elementary particles. What are mass, charge, and spin? What is consciousness? What is the answer to the hard problem of consciousness? What is the mind? How does the brain...
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Teen & Young Adult