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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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Who were the Denisovans? Rich trove of fossils and tools paints new picture
4+ day, 22+ hour ago (17+ words) Objects found in a cave in southwestern China suggest that these enigmatic ancient humans were accomplished hunters....
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....
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...Wlodzimierz, P. et al. Cycles of satellite and transposon evolution in Arabidopsis centromeres. Nature 618, 557–565...centromeres. Logsdon, G. A. et al. The variation and evolution of complete human centromeres. Nature 629, 136–145...
Ancient stone discs hint at rainmaking rituals in South Africa
3+ week, 6+ hour 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…...
How landscapes shaped the spatial foundations of cities in pre-state China - Nature Cities
5+ day, 16+ hour ago (262+ words) economic geography shaped the location and long-term evolution of cities across Chinese history. R.C. used ChatGPT...
Ruins of ancient Asian city show engineering prowess and organization
5+ day, 8+ hour ago (18+ words) The 5,000-year-old city of Liangzhu has mounds, dams and city walls built in a challenging waterlogged site....