New Delhi: The primordial Earth was a hostile environment, with a thick, toxic atmosphere devoid of life. Ultraviolet light harmful to cells would have been pouring out of the energetic young Sun. The surface was being pummeled by a bombardment by asteroids and comets. Volcanoes in a hot, young planet spewed lava and pumped carbon dioxide into the atmosphere. In this chaotic environment, life emerged for the first time. How exactly the first life forms managed to survive the hostile and toxic environment of the Earth in its infancy has always puzzled scientists. Now, a team of scientists have proposed a solution.

The scientists suggest that the chemical precursors to life........

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