Quanta
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[:es]Fossil Discoveries Challenge Ideas About Earth’s Start[:]
[:es]A series of fossil finds suggests that life on Earth started earlier than anyone thought, calling into question a widely held theory of the solar system’s beginnings.[:]
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[:es]With ‘Downsized’ DNA, Flowering Plants Took Over the World[:]
[:es]Compact genomes and tiny cells gave flowering plants an edge over competing flora. This discovery hints at a broader evolutionary principle.[:]
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[:es]Why an Old Theory of Everything Is Gaining New Life[:]
[:es]For decades, physicists have struggled to create a quantum theory of gravity. Now an approach that dates to the 1970s is attracting newfound attention.[:]
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[:es]A Mathematician Who Decodes the Patterns Stamped Out by Life[:]
[:es]Corina Tarnita deciphers bizarre patterns in the soil created by competing life-forms. She’s found that they can reveal whether an ecosystem is thriving or on the verge of collapse.[:]
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[:es]The End of the RNA World Is Near, Biochemists Argue[:]
[:es]For decades, an origin-of-life story starring RNA has prevailed. New research may be shaking that theory’s hold on our understanding of life’s beginnings.[:]
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[:es]Neutrinos Suggest Solution to Mystery of Universe’s Existence[:]
[:es]Updated results from a Japanese neutrino experiment continue to reveal an inconsistency in the way that matter and antimatter behave.[:]
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[:es]A Physicist’s Physicist Ponders the Nature of Reality[:]
[:es]Edward Witten reflects on the meaning of dualities in physics and math, emergent space-time, and the pursuit of a complete description of nature.[:]
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[:es]Choosy Eggs May Pick Sperm for Their Genes, Defying Mendel’s Law[:]
[:es]The oldest law of genetics says that gametes combine randomly, but experiments hint that sometimes eggs select sperm actively for their genetic assets. 7 [:]
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[:es]Galactic Glow, Thought to Be Dark Matter, Now Hints at Hidden Pulsars[:]
[:es]A number of high-energy anomalies raised hopes that astrophysicists had seen their first direct glimpses of dark matter. New studies suggest a different source may be responsible. [:]