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Origins of life
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Chemists Seek Possible Precursor to RNA
Scientists have discovered building blocks similar to those in modern RNA that can effortlessly assemble when mixed in water and heated.
A New Physics Theory of Life
An MIT physicist has proposed the provocative idea that life exists because the law of increasing entropy drives matter to acquire lifelike physical properties.
Tiny Genomes May Offer Clues to First Plants and Animals
Symbiotic bacteria that dwell within insect cells are intricately intertwined with their hosts, prompting scientists to question when these bacteria stop being bona fide organisms and become part of the cell.