Researchers at the Transient Optics Laboratory, Xi'an Institute of Optics and Precision Mechanics (Chinese Academy of Sciences), led by Liu Hongjun, published in Laser & Photonics Reviews a demonstration extending nonlocal metasurface control to continuous‑wave nonlinear mid‑infrared frequency upconversion imaging. The technique enables compact, low‑cost, high‑sensitivity mid‑IR detection with on‑chip integration potential; cited application areas include gas detection, environmental monitoring,

Even as Europe's heatwave fades, asset managers are reassessing how climate change will affect portfolios. Pictet Asset Management reports a surge in client queries on risks and opportunities from extreme heat. Nuveen says the impact of European drought will soon begin to show up in corporate credit spreads. Rathbones fund manager David Harrison prefers companies exposed to climate solutions and grid infrastructure. BloombergNEF finds references to extreme heat in recent corporate filings at a record high, and mentions of the Rhine and water levels on earnings calls at the highest levels since 2018.

China's Pinduoduo (PDD.O) staged a pre-market rally and is now up 1%, after earlier falling as much as 5%.