In a recent study of Amazonian forests, researchers from the South China Botanical Garden (SCBG) of the Chinese Academy of Sciences, in collaboration with Cornell University and several international research institutions, found that the residence time of carbon in Amazonian vegetation will continue to shorten as atmospheric drying intensifies and convective storm activity increases, thereby undermining the forests’ long-term carbon storage capacity.

Based on a 20-year field nitrogen addition experiment, this study demonstrates that long-term high nitrogen deposition does not reduce belowground carbon allocation in tropical forest plants; rather, it induces a physiological adaptation—upregulation of root exudation—to actively mobilize soil phosphorus, thereby sustaining productivity and offering a key mechanistic explanation for the persistence of tropical forest carbon sinks under chronic nitrogen enrichment.

Optical skyrmions are poised to revolutionize data transmission as robust information carriers, but their use has been hindered by narrow-band generation limits. Now, an international team in China and Singapore has unveiled an on-chip platform based on ferroelectric spherulites. This breakthrough device generates stable optical skyrmions across the entire visible spectrum, shattering previous bandwidth barriers. The advance paves the way for ultra-high-capacity optical communications and next-generation topological quantum light sources.

On the evening of March 7, 2026, a series of explosions and fires occurred at multiple oil storage and refining facilities in Tehran, Iran. A research team has utilized a constellation of satellites to investigate and quantify this sulfur dioxide (SO₂) pollution event.

Researchers at the University of New South Wales and Monash University in Australia have developed a new method for covert communications. By taking advantage of the phenomena of “negative luminescence”, the opposite of the electroluminescence of conventional visible light emitting diodes (LEDs), they demonstrate that a data signal can be perfectly hidden in the thermal background, with only an outside observer with the same technology able to observe that a message was sent at all.

A new international study, published in Nature Geoscience, provides a quantification of the air-sea global carbon cycle and how it might change in a warming climate.

Despite its high speed and parallel processing ability, optical encryption is vulnerable at the back-end. To address this, researchers developed a programmable dual-band photodetector with a color image encryption scheme, where the detector serves as both detector and decryption key. This detector-dependent security effectively prevents back-end eavesdropping, enabling a new pathway for highly secure optical encryption in information warfare.