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1. Water emissions put a damper on the coal-to-gas transition

   https://doi.org/10.1073/pnas.2024360118  

   Bowen, Gabriel J.; Fiorella, Richard P. (January 2021, Proceedings of the National Academy of Sciences)
2. The effect of open-to-suburban terrain transition on wind pressures on a low-rise building

   https://doi.org/10.1016/j.jobe.2024.108651  

   Kim, Sejin; Alinejad, Nasrollah; Jung, Sungmoon; Kim, Ho-Kyung (May 2024, Journal of Building Engineering)
3. Gene loss during a transition to multicellularity

   https://doi.org/10.1038/s41598-023-29742-2  

   Jiménez-Marín, Berenice; Rakijas, Jessica B.; Tyagi, Antariksh; Pandey, Aakash; Hanschen, Erik R.; Anderson, Jaden; Heffel, Matthew G.; Platt, Thomas G.; Olson, Bradley J. S. C. (March 2023, Scientific Reports)

   Abstract Multicellular evolution is a major transition associated with momentous diversification of multiple lineages and increased developmental complexity. The volvocine algae comprise a valuable system for the study of this transition, as they span from unicellular to undifferentiated and differentiated multicellular morphologies despite their genomes being similar, suggesting multicellular evolution requires few genetic changes to undergo dramatic shifts in developmental complexity. Here, the evolutionary dynamics of six volvocine genomes were examined, where a gradual loss of genes was observed in parallel to the co-option of a few key genes. Protein complexes in the six species exhibited novel interactions, suggesting that gene loss could play a role in evolutionary novelty. This finding was supported by gene network modeling, where gene loss outpaces gene gain in generating novel stable network states. These results suggest gene loss, in addition to gene gain and co-option, may be important for the evolution developmental complexity. 

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4. On tolerance of discrete systems with respect to transition perturbations

   https://doi.org/10.1007/s10626-023-00386-8  

   Meira-Góes, Rômulo; Kang, Eunsuk; Lafortune, Stéphane; Tripakis, Stavros (December 2023, Discrete Event Dynamic Systems)
5. Effect of Plasma-Enhanced Low-Temperature Chemistry on Deflagration-to-Detonation Transition in a Microchannel

   https://doi.org/10.2514/1.J062966  

   Vorenkamp, Madeline; Steinmetz, Scott; Mao, Xingqian; Shi, Zhiyu; Starikovskiy, Andrey; Ju, Yiguang; Kliewer, Christopher (November 2023, AIAA Journal)

   This study examines low-temperature chemistry (LTC) enhancement by nanosecond dielectric barrier discharge (ns-DBD) plasma on a dimethyl ether (DME)/oxygen [Formula: see text] (Ar) premixture for deflagration-to-detonation transition (DDT) in a microchannel. It is found that non-equilibrium plasma generates active species and kinetically accelerates LTC of DME and DDT. In situ laser diagnostics and computational modeling examine the influence of the ns-DBDs on the LTC of DME and DDT using formaldehyde ([Formula: see text]) laser-induced fluorescence (LIF) and high-speed imaging. Firstly, high-speed imaging in combination with LIF is used to trace the presence of LTC throughout the flame front propagation and DDT. Then, competition between plasma-enhanced LTC of ignition and reduced heat release rate of combustion due to plasma-assisted partial fuel oxidation is studied with LIF. Observations of plasma-enhanced LTC effects on DDT are interpreted with the aid of detailed kinetic simulations. The results show that an appropriate number of ns-DBDs enhances LTC of DME and increases [Formula: see text] formation and low-temperature ignition, accelerating DDT. Moreover, it is found that, with many ns-DBDs, [Formula: see text] concentration decreases, indicating that excessive discharges may accelerate fuel oxidation in the premixture, reducing heat release and weakening shock–ignition coupling, inhibiting DDT. 

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