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Japanese ancestry DNA study finds a third origin group reshaping what we thought we knew

Japanese ancestry DNA study finds a third origin group reshaping what we thought we knew

A new large-scale DNA study of more than 3,200 Japanese people is challenging the long-held view that Japan’s ancestry comes mainly from two ancient sources. Using whole-genome sequencing across seven regions, researchers found evidence for a third ancestral group tied to northeastern Asia, with patterns that vary sharply by geography. The work also shows Japan is more genetically diverse than assumed, and pairs genomic data with medical records to build JEWEL for future personalized medicine.

Summarised by Beize from a story on The Economic Times on 14 May 2026
Scientists identify a naked mole rat gene linked to healthier aging and limb regrowth hopes

Scientists identify a naked mole rat gene linked to healthier aging and limb regrowth hopes

Researchers studying naked mole rats found a gene that drives high levels of high molecular weight hyaluronic acid, a molecule linked to cancer resistance, lower inflammation, and healthier aging. When scientists introduced the gene into mice, the animals showed improved health markers and a modest lifespan increase, reigniting interest in regenerative medicine.

Summarised by Beize from a story on The Economic Times on 11 May 2026

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Woolly mammoths could return as scientists build artificial wombs for extinct species

Woolly mammoths could return as scientists build artificial wombs for extinct species

Researchers are pushing de-extinction beyond headlines, aiming to bring back species such as woolly mammoths and bluebuck. The plan doesn’t stop at cloning or genetics: scientists want to rewild these animals in habitats where they once lived. For species that cannot be carried by living relatives, the work also includes developing artificial womb technology to support embryo growth.

Summarised by Beize from a story on The Economic Times on 3 May 2026
Malaria shaped early humans where they could live and migrate across Africa

Malaria shaped early humans where they could live and migrate across Africa

A new study suggests malaria was more than a health threat for early Africans—it helped determine where people settled. Using advanced models, researchers found ancient communities tended to avoid areas with higher disease risk, which fragmented populations over time. That separation may explain part of the genetic diversity seen today, showing disease as a key driver alongside geography and environment.

Summarised by Beize from a story on The Economic Times on 1 May 2026
Study Says Human Evolution Accelerated After Agriculture, With Hundreds of Genes Still Being Selected

Study Says Human Evolution Accelerated After Agriculture, With Hundreds of Genes Still Being Selected

A new Nature study argues human evolution is not slowing down but accelerating, particularly after agriculture reshaped diets and environments. Using genetic evidence, researchers report hundreds of variants shaped by natural selection, overturning the idea that evolution is mostly a past phenomenon and showing how traits across populations continue to change today.

Summarised by Beize from a story on The Economic Times on 27 Apr 2026
Why Some Snakes Prefer Simpler Venom to Deadlier Mixes

Why Some Snakes Prefer Simpler Venom to Deadlier Mixes

New research is challenging the idea that snake venom evolution always favors complexity. Scientists found that some snakes shift toward simpler venom blends tailored to specific prey, particularly on isolated islands. This “ecological efficiency” reduces wasted effort while preserving effectiveness, and genetic flexibility allows future changes. Coevolution with prey further steers which venom traits survive.

Summarised by Beize from a story on The Economic Times on 25 Apr 2026

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