https://www.smithsonianmag.com/rss/tag/genetics/RSS feed for GeneticsenFri, 14 Aug 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/heres-why-these-male-spiders-sacrifice-themselves-by-somersaulting-into-females-fangs-while-mating-180989337/A new study suggest that even strange, complex animal behaviors can have a relatively simple genetic basisFri, 14 Aug 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/heres-why-these-male-spiders-sacrifice-themselves-by-somersaulting-into-females-fangs-while-mating-180989337/https://www.smithsonianmag.com/smart-news/got-a-brawny-build-you-might-be-able-to-thank-your-neanderthal-ancestors-according-to-a-new-study-180989306/New research hints that some living people inherited a gene variant from Neanderthals that has made them slightly taller and more muscular than their peersTue, 11 Aug 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/got-a-brawny-build-you-might-be-able-to-thank-your-neanderthal-ancestors-according-to-a-new-study-180989306/https://www.smithsonianmag.com/smart-news/spinal-deformities-in-saber-toothed-cat-fossils-reveal-how-the-now-extinct-felines-may-have-spent-their-final-days-180989237/Researchers studied saber-toothed cat vertebrae found in the La Brea Tar Pits in Los Angeles. They identified a surprisingly high number of deformations, including signs of spinal nerve tumors, hinting at a dwindling population suffering the consequences of inbreedingMon, 10 Aug 2026 15:36:44 +0000https://www.smithsonianmag.com/smart-news/spinal-deformities-in-saber-toothed-cat-fossils-reveal-how-the-now-extinct-felines-may-have-spent-their-final-days-180989237/https://www.smithsonianmag.com/smart-news/traces-of-two-extinct-ghost-ancestors-were-found-hiding-in-modern-human-dna-hinting-at-our-extremely-complex-family-tree-180989250/Researchers used a new method to investigate past interbreeding with Homo sapiens that doesn't require ancient DNA. The technique identified areas of living humans' genomes that came from unknown hominins, including one from a 1.8-million-year-old lineageFri, 07 Aug 2026 15:34:44 +0000https://www.smithsonianmag.com/smart-news/traces-of-two-extinct-ghost-ancestors-were-found-hiding-in-modern-human-dna-hinting-at-our-extremely-complex-family-tree-180989250/https://www.smithsonianmag.com/smart-news/after-receiving-a-custom-experimental-medicine-a-teen-with-a-rare-genetic-disorder-walked-on-his-own-for-the-first-time-180989230/The patient's genetic disorder causes frequent seizures and developmental delays. His progress, along with that of another boy who received a similar personalized treatment, highlights the promise—and challenges—of tailor-made drugsMon, 03 Aug 2026 17:31:49 +0000https://www.smithsonianmag.com/smart-news/after-receiving-a-custom-experimental-medicine-a-teen-with-a-rare-genetic-disorder-walked-on-his-own-for-the-first-time-180989230/https://www.smithsonianmag.com/smart-news/people-arent-born-with-as-righties-or-lefties-they-develop-hand-dominance-with-practice-a-new-study-suggests-180989168/Humans do have a biological preference for using one side of their body, which might prime them for using limbs on that side for complex motor tasks like writing—and honing those skills over timeWed, 22 Jul 2026 16:59:55 +0000https://www.smithsonianmag.com/smart-news/people-arent-born-with-as-righties-or-lefties-they-develop-hand-dominance-with-practice-a-new-study-suggests-180989168/https://www.smithsonianmag.com/history/dna-reveals-the-identity-of-a-teenager-who-died-in-the-revolutionary-war-cracking-a-nearly-250-year-old-cold-case-180989095/John Pumphrey was still a boy when he enlisted in the Continental Army in 1777. After archaeologists discovered his remains, a genetic genealogy analysis identified 20,000 DNA matches for living relativesFri, 10 Jul 2026 16:07:49 +0000https://www.smithsonianmag.com/history/dna-reveals-the-identity-of-a-teenager-who-died-in-the-revolutionary-war-cracking-a-nearly-250-year-old-cold-case-180989095/https://www.smithsonianmag.com/smart-news/kazakhstans-iron-age-golden-man-and-other-elite-scythians-of-eurasia-inherited-their-high-social-status-ancient-dna-suggests-180989089/Researchers have long wondered whether upper-class members of the ancient nomadic warriors earned their social status through individual achievements or birthrightThu, 09 Jul 2026 16:04:08 +0000https://www.smithsonianmag.com/smart-news/kazakhstans-iron-age-golden-man-and-other-elite-scythians-of-eurasia-inherited-their-high-social-status-ancient-dna-suggests-180989089/https://www.smithsonianmag.com/smart-news/scientists-say-theyve-made-cells-that-feed-grow-and-reproduce-bringing-them-one-step-closer-to-building-life-from-scratch-180989070/The human-made cells show many hallmarks of life, but they can't make all their necessary internal structures or divide for very many generationsThu, 02 Jul 2026 19:53:39 +0000https://www.smithsonianmag.com/smart-news/scientists-say-theyve-made-cells-that-feed-grow-and-reproduce-bringing-them-one-step-closer-to-building-life-from-scratch-180989070/https://www.smithsonianmag.com/smart-news/why-did-neanderthals-go-extinct-inbreeding-probably-wasnt-to-blame-for-their-demise-in-northwestern-europe-a-study-suggests-180989032/In contrast to those who resided in Siberia, Neanderthals who lived in what's now Belgium and France shortly before the species vanished seem to have been genetically diverse and healthyTue, 30 Jun 2026 14:00:00 +0000https://www.smithsonianmag.com/smart-news/why-did-neanderthals-go-extinct-inbreeding-probably-wasnt-to-blame-for-their-demise-in-northwestern-europe-a-study-suggests-180989032/