Insurance gaps threaten scale-up of net-zero hydrogen systems
Peer-Reviewed Publication
Updates every hour. Last Updated: 29-Oct-2026 16:16 ET (29-Oct-2026 20:16 GMT/UTC)
Hydrogen is widely seen as a key player in the net-zero energy transition, but its large-scale use faces a hidden barrier: underdeveloped insurance. New article in Engineering points out unique risks of hydrogen systems—from flammability and embrittlement to supply chain delays—that insurers struggle to quantify. With few tailored policies available, projects risk higher costs and limited funding. Closer cross-sector cooperation and innovative insurance tools could help unlock hydrogen’s full potential.
Researchers have developed an electricity-driven catalytic system that converts lignin, an abundant plant-based aromatic polymer, into valuable phenolic chemicals and fuel-related molecules with high efficiency. By combining a Ru@Bi/N-C catalyst with a HPW-HFIP electrolyte, the system directs active hydrogen toward useful reactions while suppressing hydrogen gas formation, offering a greener route for upgrading biomass into sustainable chemicals and aviation-fuel precursors.
Infected wounds can lead to delayed healing, suppuration, and potentially life-threatening complications, making their management critically important. An ideal wound dressing should possess key characteristics such as high protective function, comfortable user experience, and effective antibacterial efficiency. However, a single dressing that integrates all these functions is rarely achieved. Herein, we developed a “bionic cooling skin” for infected wound management based on hierarchical nanofiber construction. This was achieved by integrating solvent welding technology with single-sided metal–organic frameworks (MOFs) that generate visible light-responsive reactive oxygen species (ROS, band gap = 2.56 eV). The designed bionic skin promotes rapid healing of infected wounds, and the healing mechanism has been confirmed by gene analysis. This advanced dressing closely mimics natural skin, exhibiting similar mechanical properties (σmax = 21.6 MPa; εmax = 54%), and high air and moisture permeability (> 1.8 mL s−1 and > 12.5 kg m−2 d−1), respectively. Furthermore, the bionic cooling skin reduces the local temperatures of wounds exposed to sunlight by 4 °C, mitigating heat gain through high mid-infrared emissivity. This innovative bionic wound dressing not only enhances comfort and healing efficacy but also advances our understanding of wound repair mechanisms, holding significant promise for future wound care and biomedical material design.
- Professor Sung Jin Kim’s team embeds liquid-cooling channels thinner than a human hair inside silicon chips, enabling cooling of 2 kW per 1 cm² with room-temperature water
- 3D coolant distributing channels shorten the travel paths like a distributed logistics network, reducing flow resistance and pumping power by up to 90%
- Record-high coefficient of performance (COP) of 106,000 expected to help ease thermal bottlenecks in AI accelerators and data centers