In a new study, Sawsan Wehbi, a doctoral student at the University of Arizona, discovered strong evidence that challenges the widely accepted theory of how the genetic code evolved. The study suggests that the sequence in which amino acids—the building blocks of the code—were incorporated is different from what was previously considered the “consensus” on the evolution of the genetic code.
Study sheds light on origin of genetic code
The textbook version of how the universal genetic code evolved needs revision.
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Scientists discover 59,000-year-old Neanderthal dental surgery
A damaged molar from Siberia suggests Neanderthals may have intentionally drilled a painful cavity thousands of years before modern humans developed dentistry.
Shroud of Turin’s DNA Maps Centuries of Human Contact
Scientists extracted DNA from samples collected in 1978 and what they found buried in those ancient threads is far more layered than anyone expected.
Discovery of auroras on rogue planet challenges current models
These insights are pushing the boundaries of our understanding of alien atmospheres.
Inside the Milky Way’s largest star-forming cloud, seen by Webb
Sagittarius B2 is so much more active than the rest of the galactic center.
