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Tech News
Nature Futures ran a science-fiction interview piece imagining Sam Morten, a war veteran, and Eli, a distinct personality sharing his body, as they navigate a court case seeking legal recognition for Eli as a separate entity. The narrative unfolds over coffee and ice cream, contrasting Sam's guarded demeanor with Eli's childlike openness, while touching on the strain the situation placed on Sam's marriage.
A Nature commentary raises concerns that growing political enthusiasm for nuclear power, driven by climate and energy-security goals, could pressure regulators to loosen safety standards or speed approvals without adequate scrutiny. The piece argues that as governments embrace nuclear expansion, safeguards meant to prevent accidents risk being weakened in the name of faster deployment.
Researchers found that elevated atmospheric carbon dioxide concentrations enhance grass growth in savannah ecosystems even under dry conditions. The study suggests that higher CO2 levels help these grasses use water more efficiently, allowing them to sustain productivity during periods of reduced rainfall.
The Fusion Industry Association reports that 46 companies worldwide are working to turn nuclear fusion into a commercial electricity source, alongside others pursuing niche uses like medical isotopes, materials testing and spacecraft propulsion. As of August 1, the electricity-focused firms had collectively raised $14.6 billion from venture capital, private investors, utilities, government grants and data-center operators seeking new power sources.
Nature reports that the nuclear power sector is increasingly turning to small modular reactors (SMRs) as a way to overcome the cost overruns and construction delays that have long plagued large-scale nuclear plants. These smaller, factory-built designs promise faster deployment and lower upfront capital costs than traditional gigawatt-scale reactors.
Scientists have outlined a new enzymatic approach that reuses byproducts to synthesize thiophosphate molecules, compounds valued for their applications in chemistry and biology. The method relies on biological catalysts rather than traditional chemical synthesis routes, offering a more sustainable pathway to these materials.
Researchers demonstrated that water drops sitting on various hydrophobic and metallic surfaces can spontaneously build up electrical charge without any external triggering, and that this self-generated charge is sufficient to accelerate corrosion of underlying copper and other metals. The experiments used engineered materials such as PFOTS-coated quartz and ITO glass, Teflon-coated copper, and common items like PVC boards and copper foil tape to show the effect across different surfaces.
Researchers built a two-ion crystal in a Paul trap combining a calcium ion with a single CaOH+ molecular ion, generated by leaking water vapor into the vacuum chamber until a molecule formed. They then used a non-classical 'cat state' of motion, created with a bichromatic laser on the calcium ion, to detect the tiny photon recoil from the molecule absorbing infrared light—effectively performing infrared absorption spectroscopy on one single polyatomic molecular ion.
Researchers extracted high molecular weight DNA from 15 sperm samples donated by 13 men from the TwinsUK cohort and an external biobank, using a modified extraction protocol designed to break down the tightly packed protamine structure of sperm DNA. Applying long-read sequencing to these samples, the team identified evidence of gene conversion occurring before meiosis, a genetic recombination process not previously well characterized at this resolution in sperm cells.
Researchers assembled a detailed methods protocol using fucoidans from multiple seaweed species, including Fucus vesiculosus and Laminaria hyperborea, alongside custom LC-MS internal standards and PMP derivatization reagents. They also formulated three seawater-mimicking bacterial growth media to enrich, isolate and cultivate marine microbes capable of degrading these complex sulfated polysaccharides.
Scientists grew high-purity single-crystal CrSb using chemical vapour transport and confirmed its structure through X-ray diffraction, resistivity, magnetization and Laue measurements. Using these bulk-resolved samples, they identified a three-dimensional g-wave altermagnetic order parameter in the material, characterizing how its magnetic symmetry differs from conventional magnets.
Researchers describe a newly analyzed stem-group insect fossil that shows features intermediate between aquatic arthropod ancestors and fully terrestrial hexapods, suggesting an amphibious lifestyle. The find, discussed alongside a broad review of arthropod and plant terrestrialization timelines, helps fill a gap in understanding how early insects transitioned from water to land.