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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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Superheating in mafic magmas controls clinopyroxene nucleation delay and magma ascent dynamics - Nature Communications
3+ mon, 5+ day ago (1697+ words) Experimental conditions of (A) in situ and (B) ex situ view experiments reported as function of temperature and time. Dashed line shows clinopyroxene liquidus temperature calculated using Rhyolite-MELTS software63,64 and experimentally constrained. Clinopyroxene liquidus temperature is calculated for the tephrite with 1 wt.% H2O. Differential…...
Deep crustal relamination drives post-collisional magmatism - Nature Geoscience
4+ mon, 6+ day ago (170+ words) Gómez-Frutos, D., Castro, A. & Gutiérrez-Alonso, G. Post-collisional batholiths do contribute to crustal growth. Earth Planet. Sci. Lett. 603, 117978 (2023). This experimental study established the link between post-collisional magmas, Archaean sanukitoids and enriched mantle. Nielsen, S. G. & Marschall, H. R. Geochemical evidence for…...
CAM photosynthesis may have conferred an advantage during the Permian–Triassic mass extinction event - Nature Ecology & Evolution
4+ mon, 3+ week ago (1714+ words) Nature Ecology & Evolution (2026)Cite this article See details in Supplementary Fig. 6, the original data in Supplementary Table 5 and the sampling pictures of the fossils in Supplementary Figs. 24–33. VPDB, Vienna Peedee Belemnite. We used original taxonomic names rather than combined or…...
Direct benefits are not necessary for the evolution of multicellularity - Nature Ecology & Evolution
4+ mon, 3+ week ago (1679+ words) Nature Ecology & Evolution (2026)Cite this article Bonner, J. T. The origins of multicellularity. Integr. Biol. Issues News Rev. 1, 27–36 (1998). Niklas, K. J. & Newman, S. A. The many roads to and from multicellularity. J. Exp. Bot. 71, 3247–3253 (2020). Herron, M. D., Conlin, P. L. and Ratcliff,…...
Cracked on-axis and pristine off-axis crust formed during forearc evolution at a nascent subduction zone - Communications Earth & Environment
5+ mon, 3+ day ago (1527+ words) Plots of MgO versus SiO2 concentrations for whole rocks. Rock classification boundaries are from Pearce and Reagan17. HSB high-Si boninite, LSB low-Si boninite, BB basaltic boninite, HMA high-Mg andesite. Box-and whisker plots of a grain density, b porosity, c P-wave velocity, and…...
Disequilibrium response to tapping crustal magma reveals storage conditions
5+ mon, 2+ week ago (1733+ words) The glass fragments contain total water of 1.3–2.0 wt%, with an average of 1.8 wt%, consistent across several studies1,11,13,19,23,24, and 50–200 ppm CO2 (refs. 1,19). Vesicularity in the quenched glasses is low, with most chips having Complete decompression from 45 MPa and 900 °C and 35 MPa and 920 °C…...
Stability and distribution of dense hydrous magnesium silicates in the mantle transition zone under low water activity conditions - Communications Earth & Environment
5+ mon, 2+ week ago (1775+ words) If water preferentially enters Wd and Rw, DHMSs become negligible and cannot serve as major water carriers in the mantle transition zone. Although there are a large number of phase equilibrium studies in the MgO-SiO2-H2O (MSH) system with pyrolite composition…...
Experimental study on the three-dimensional structural characteristics of bedforms and their relationship with flow intensity
7+ mon, 5+ day ago (336+ words) Hydrogeology is the study of the movement and storage of water in the crust of Earth and other rocky planetary bodies. It maps and quantifies the water stored in underground aquifers and occasionally surface systems, identifies pathways of flow and…...
Internal variability in numerical morphodynamical experimentation - Scientific Reports
6+ mon, 8+ hour ago (1328+ words) Consequently, it is more compelling to employ a simplified model to substantiate the presence of internal variability. As external forcings exhibiting clear interannual variations have been eliminated, we adopt the latter approach, specifically by introducing a minor perturbation at the…...
Earth's oldest crystals suggest an early start for plate tectonics
6+ mon, 1+ week ago (426+ words) Ancient rock crystals from Australia suggest that the early Earth might not have been as different as scientists had thought from the planet that exists today. “It’s an important contribution to our understanding of the first billion years on Earth,…...