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origins of life
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Hints of Life’s Start Found in a Giant Virus
Newly discovered specimens support a more ancient origin for viruses, perhaps all the way back to the origins of life.
Early Life in Death Valley
Evidence from Southwestern deserts suggests that oxygen-breathing organisms arose on land rather than in the seas.
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 and the Origin of Complex Cells
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.