**Scientists May Have Solved a Billion-Year-Old Mystery About DNA’s Evolution**
By Texas A&M University - Published on 20 October 2026
On an early Earth exposed to intense ultraviolet radiation, the evolution of DNA may have depended on an unexpected molecular advantage. Early life on Earth faced intense ultraviolet (UV) radiation from the sun without the protection of an ozone layer. Yet DNA came to rely on thymine, a chemical building block that is more prone [...]
Read more: https://scitechdaily.com/scientists-may-have-solved-a-billion-year-old-mystery-about-dnas-evolution/
#DNA #molecularbiology #genomics #evolutionarybiology #biochemistry #Chemistry #Biochemistry #DNA
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2026-10-20 18:16:27 UTC
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"content": "**Scientists May Have Solved a Billion-Year-Old Mystery About DNA’s Evolution**\n\nBy Texas A\u0026M University - Published on 20 October 2026\n\nOn an early Earth exposed to intense ultraviolet radiation, the evolution of DNA may have depended on an unexpected molecular advantage. Early life on Earth faced intense ultraviolet (UV) radiation from the sun without the protection of an ozone layer. Yet DNA came to rely on thymine, a chemical building block that is more prone [...]\n\nRead more: https://scitechdaily.com/scientists-may-have-solved-a-billion-year-old-mystery-about-dnas-evolution/\n\n#DNA #molecularbiology #genomics #evolutionarybiology #biochemistry #Chemistry #Biochemistry #DNA",
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