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QLEDs â light-emitting diodes that rely on nanocrystals called quantum dots â are usually made with toxic heavy metals. A strategy has been developed to make QLEDs with a performance comparable to that of commercially available technologies but using a more environmentally friendly alloy of zinc, selenium, telluriu
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Ruins of ancient Asian city show engineering prowess and organization
5+ day, 1+ hour ago (18+ words) The 5,000-year-old city of Liangzhu has mounds, dams and city walls built in a challenging waterlogged site....
Who were the Denisovans? Rich trove of fossils and tools paints new picture
4+ day, 15+ hour ago (17+ words) Objects found in a cave in southwestern China suggest that these enigmatic ancient humans were accomplished hunters....
How landscapes shaped the spatial foundations of cities in pre-state China - Nature Cities
5+ day, 9+ hour ago (262+ words) Nature Cities (2026) Cite this article Before a large, integrated state emerged in China, proto-urban settlement systems provided the spatial foundations from which cities could emerge. Settlement patterns reconstructed from archeological sites across Neolithic China reveal how terrain-derived accessibility structured these…...
Ancient stone discs hint at rainmaking rituals in South Africa
3+ week ago (629+ words) In a small rock shelter in South Africa’s Waterberg, archaeologists found the remains of an unfinished transformation. Flat slabs of quartzitic sandstone had been chipped into circles. Hollows had been pecked into both faces, thinning the centres. Then, with a…...
Pepper centromeres sit within ultra-long, trait-linked haplotypes - Nature Ecology & Evolution
2+ week, 6+ day ago (252+ words) Nature Ecology & Evolution (2026) Cite this article Pepper centromeres are embedded in ultra-long, recombination-suppressed haplotypes that can span more than 100 Mb. These centromere-spanning haplotypes (cenhaps) link genetic and epigenetic variation, are associated with various fruit traits and can show biased chromosome…...
Artefacts in single-cell mtDNA analyses misinform phylogenies
3+ week, 4+ day ago (461+ words) Matters Arising to this article was published on 19 August 2026 The Original Article was published on 22 January 2024 Data from this work were downloaded from GSE219015, which was previously published1. Weng, C. et al. Deciphering cell states and genealogies of human haematopoiesis. Nature 627, 389–398 (2024). Ludwig, L....