Green space exposure, mental health and the nasal microbiome
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Updates every hour. Last Updated: 22-Oct-2026 00:17 ET (22-Oct-2026 04:17 GMT/UTC)
The IAA SETI Committee announced today updated rules for evaluating and revealing the detection of extraterrestrial intelligence.
The revised Declaration of Principles marks the first major update to the protocols in more than 15 years and reflects a media landscape transformed by social media, artificial intelligence and the 24-hour news cycle.
“The release of these updated rules and protocols marks an important step in acknowledging both the radically different media landscape that science functions within today, and the vastly expanded efforts in terms of technology and resources being deployed in the search for intelligent life beyond Earth” said Bill Diamond, President and CEO of the SETI Institute and IAA SETI Committee member.
To address these challenges, this Thematic Issue highlights the current state of knowledge in shock metamorphism and aims to foster cross-disciplinary dialogue among experimentalists, sample analysts, modellers, and planetary geologists. Contributions that integrate multiple approaches are particularly encouraged—for example, studies that couple shock-recovery experiments with numerical simulations, or investigations that link meteorite shock features with remote-sensing data of parent-body surfaces. The intention is to refine petrological recorders of shock, improve the fidelity of impact models, and extend the applicability of shock metamorphism as a tool for understanding planetary evolution, resource distribution, and impact processing, and planetary surface modification.
The most distant, nearly invisible dormant black hole has been detected and ‘weighed’ by an international team of astronomers that includes researchers from UCL.