Major Mysteries of Science |
Contents
CHAPTER | 3 |
THE QUEST FOR THE MYSTERY OF LIFE | 5 |
HOW OLD IS THE EARTH AND HOW HAS IT EVOLVED? | 109 |
Copyright | |
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animals astronomers atmosphere atom become believe Bell Telephone Labs biologists body brain celestial cells century changes chemical chemist civilization coal continue cosmic rays cosmos Courtesy American Museum Crile Cro-Magnon depths discovery disease distance dream earth Eddington Einstein electricity electrons energy engineers evolution existence exploration feet force galaxy giant globe gravitational heat heavens Henry Fairfield Osborn Hominidae human J. B. S. Haldane Jeans known laboratory light living man's Mars matter mental meteors miles Millikan millions mind modern moon Mount Wilson Observatory Museum of Natural mysterious Natural History ocean organization origin Osborn particles physical physicist Piltdown planet Pluto possible predicted present problem protoplasm race radiation recent Riddle rocket scientists Shapley solar system space spiral nebulae steam surface synthetic telescope temperature theory theory of relativity tion universe variable stars vast Wilson Observatory