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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>DNA | smithsonianmag.com</title><link>https://www.smithsonianmag.com/rss/tag/dna/</link><description>RSS feed for DNA</description><atom:link href="https://www.smithsonianmag.com/rss/tag/dna/" rel="self"/><language>en</language><lastBuildDate>Fri, 09 Oct 2026 17:28:10 +0000</lastBuildDate><item><title>Scientists Took a Cheek Swab From the World's Oldest Tortoise. His DNA Could Reveal Hints to Longevity</title><link>https://www.smithsonianmag.com/smart-news/scientists-took-a-cheek-swab-from-the-worlds-oldest-tortoise-his-dna-could-reveal-hints-to-longevity-180989663/</link><description>Jonathan, an Aldabra giant tortoise, is about 194 years old and the oldest land animal alive today. Discoveries about his genetics could provide clues to extending lifespan in humans</description><pubDate>Fri, 09 Oct 2026 17:28:10 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/scientists-took-a-cheek-swab-from-the-worlds-oldest-tortoise-his-dna-could-reveal-hints-to-longevity-180989663/</guid><enclosure length="4073791" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/WuqNR-4IIzd9LcRRF5wGfTJlA-A=/420x240/filters:focal(2016x1517:2017x1518)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/a7/7b/a77be531-cb07-4a9e-a6dc-155b6c26f63d/saint-helena-plantation-house-jonathan-the-tortoise-by-kevin-gepford-02.jpg"/></item><item><title>Two Chemists Win Nobel Prize for Unraveling a Mystery of Molecular 'Handedness,' Helping Drugmakers Develop Safer Medications</title><link>https://www.smithsonianmag.com/smart-news/two-chemists-win-nobel-prize-for-unraveling-a-mystery-of-molecular-handedness-helping-drugmakers-develop-safer-medications-180989643/</link><description>Many molecules come in two mirrored forms—like left and right hands—but living organisms generally contain only one. However, chemists couldn't figure out how to make just one version in the lab. Henri Kagan and Kenso Soai share the prize for their work solving the puzzle</description><pubDate>Wed, 07 Oct 2026 19:10:13 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/two-chemists-win-nobel-prize-for-unraveling-a-mystery-of-molecular-handedness-helping-drugmakers-develop-safer-medications-180989643/</guid><enclosure length="18674300" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/bcSZV3wBykZbp-rOPKKKf0WpzmY=/420x240/filters:focal(3409x2516:3410x2517)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/55/9c/559c3e43-f760-48c8-978b-1faec1bf964e/nobel-chem.jpg"/></item><item><title>Anthropic Says Its A.I. Discovered a New Enzyme System That Resembles the Revolutionary Gene-Editing Tool CRISPR</title><link>https://www.smithsonianmag.com/smart-news/anthropic-says-its-ai-discovered-a-new-enzyme-system-that-resembles-the-revolutionary-gene-editing-tool-crispr-180989578/</link><description>Experts at the company don't know what the newfound system does, so its potential utility in biology—if any—remains unclear. But the work marks a major advancement because the A.I. made this discovery mostly on its own</description><pubDate>Tue, 29 Sep 2026 18:16:27 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/anthropic-says-its-ai-discovered-a-new-enzyme-system-that-resembles-the-revolutionary-gene-editing-tool-crispr-180989578/</guid><enclosure length="3699319" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/AER28tCCSbXzov2lp_ZYgL_qfb4=/420x240/filters:focal(1757x841:1758x842)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/a0/c7/a0c7f0f1-1d56-4cbe-9ac6-2aa724305fdd/screenshot_2026-09-28_at_125214.png"/></item><item><title>Meet the 'Fire Amoeba,' a Newfound Blobby Organism That's Defying Expectations About How Much Heat Complex Life Can Handle</title><link>https://www.smithsonianmag.com/smart-news/meet-the-fire-amoeba-a-newfound-blobby-organism-thats-defying-expectations-about-how-much-heat-complex-life-can-handle-180989557/</link><description>The newly described species, found in Northern California's Lassen Volcanic National Park, can still reproduce at 145 degrees Fahrenheit and move around at 147 degrees, according to a new study</description><pubDate>Mon, 28 Sep 2026 14:00:00 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/meet-the-fire-amoeba-a-newfound-blobby-organism-thats-defying-expectations-about-how-much-heat-complex-life-can-handle-180989557/</guid><enclosure length="2573235" type="image/gif" url="https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/c7/9d/c79d90e8-831d-4825-8797-bbe79e8d3113/adobe_express_-_movies12_60c_normalmotility_switching_1080p_crop.gif"/></item><item><title>Where Did Bats Originate? Huge Genetic Study May Have Settled the Longstanding Debate and Rewritten the Creatures' Evolutionary Tree</title><link>https://www.smithsonianmag.com/smart-news/where-did-bats-originate-huge-genetic-study-may-have-settled-the-longstanding-debate-and-rewritten-the-creatures-evolutionary-tree-180989568/</link><description>The flying mammals likely arose 65 million years ago in Europe, before spreading to Africa and then the rest of the world, according to the new research</description><pubDate>Fri, 25 Sep 2026 14:00:00 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/where-did-bats-originate-huge-genetic-study-may-have-settled-the-longstanding-debate-and-rewritten-the-creatures-evolutionary-tree-180989568/</guid><enclosure length="1043630" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/uuEuehsJazuE5uGnWRcdlXpjP5k=/420x240/filters:focal(1112x953:1113x954)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/90/d9/90d902fa-11d3-4e16-a7b8-e242a46643dc/common_vampire_bat_desmodus_rotundus_credit_brock_and_sherri_fenton.jpg"/></item><item><title>Did Thomas Jefferson Father Sally Hemings' Children? After More Than a Decade of Research, the Answer Is Finally Firmly in Hand</title><link>https://www.smithsonianmag.com/smithsonian-institution/did-thomas-jefferson-father-sally-hemings-children-after-more-than-decade-research-answer-finally-firmly-hand-180989331/</link><description>A lock of hair, advances in genetic science and a community of descendants all contributed to solving an American mystery</description><pubDate>Tue, 22 Sep 2026 04:01:00 +0000</pubDate><guid>https://www.smithsonianmag.com/smithsonian-institution/did-thomas-jefferson-father-sally-hemings-children-after-more-than-decade-research-answer-finally-firmly-hand-180989331/</guid><enclosure length="8954682" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/mTRDRpL7bTiQk7KwbY2WQ5RQHOk=/420x240/filters:focal(1697x1954:1698x1955)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/2e/67/2e67cdc1-8133-464c-ac76-db1b501455ba/opener.jpg"/></item><item><title>Part of Your Personality Is Encoded in Your Genes. Huge Analysis Links Characteristics to More Than 1,200 Common Genetic Variants</title><link>https://www.smithsonianmag.com/smart-news/part-of-your-ersonality-is-encoded-in-your-genes-huge-analysis-links-characteristics-to-more-than-1200-common-genetic-variants-180989450/</link><description>A new meta-analysis pooled data from more than one million people to look at the crossover between DNA and the "Big Five" personality traits: openness to experience, conscientiousness, extroversion, agreeableness and neuroticism</description><pubDate>Fri, 04 Sep 2026 11:37:58 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/part-of-your-ersonality-is-encoded-in-your-genes-huge-analysis-links-characteristics-to-more-than-1200-common-genetic-variants-180989450/</guid><enclosure length="11250444" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/qxS4gH-lD3pRWGwZyglljSpGLQ4=/420x240/filters:focal(3000x2086:3001x2087)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/34/5d/345da7bc-77c2-4e35-af89-ccc2662f78c5/dna-personality.jpg"/></item><item><title>Allergic to Dogs? These Gene-Edited Beagles Could Pave the Way to Your Dream Canine Companion That Won't Trigger Sniffles</title><link>https://www.smithsonianmag.com/smart-news/allergic-to-dogs-these-gene-edited-beagles-could-pave-the-way-to-your-dream-canine-companion-that-wont-trigger-sniffles-180989303/</link><description>Geneticists altered Alfie and Bailey’s DNA so that they don't produce a major allergen. However, canines like them are not currently commercially available, and some experts express ethical concerns about altering the animals' genes</description><pubDate>Tue, 01 Sep 2026 19:12:02 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/allergic-to-dogs-these-gene-edited-beagles-could-pave-the-way-to-your-dream-canine-companion-that-wont-trigger-sniffles-180989303/</guid><enclosure length="2115945" type="image/png" url="https://th-thumbnailer.cdn-si-edu.com/vqpPl0gCM7S9jhpio55sQheYg8Y=/420x240/filters:focal(750x500:751x501)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/b8/5e/b85ec0c4-468f-4a60-9021-4a6d41a63e39/alfie-bailey.png"/></item><item><title>See the Digitally Reconstructed Face of an Ancient Man Who Witnessed England’s Greatest Upheaval</title><link>https://www.smithsonianmag.com/smart-news/see-the-digitally-reconstructed-face-of-an-ancient-man-who-witnessed-englands-greatest-upheaval-180989425/</link><description>The so-called “Conquest Man” was buried in England in 1079, just over a decade into the reign of William the Conqueror. Researchers recently analyzed the skeleton’s DNA and teeth to learn more about him</description><pubDate>Mon, 31 Aug 2026 20:35:48 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/see-the-digitally-reconstructed-face-of-an-ancient-man-who-witnessed-englands-greatest-upheaval-180989425/</guid><enclosure length="1014433" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/YrFGEOd7zu1P4yPm-FLrRUDF4NY=/420x240/filters:focal(1028x686:1029x687)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/72/23/72237884-a408-4fa1-9d75-fb7e3180300b/screenshot_2026-08-31_at_100523am.jpeg"/></item><item><title>For Many Americans, Covid Is Still a Chronic, Disabling Disease. 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