Friday, October 2, 2026
Lightest known double neutron star: PSR J1856–0039 (FAST, China), 2.36-hour orbit, combined mass 2.49 solar masses; 5-year timing shows orbital decay matching general relativity; PRL Oct 2, 2026; merger in ~82 Myr likely makes a massive neutron star, not a black hole p11 protein amplifies GPCR signaling (Karolinska, Science Advances, Oct 1, 2026): screened 211 human GPCRs, ~two dozen new p11 interactions; acts like a signaling amplifier; PAR2 inflammation/pain focus; mice lacking p11 show weaker inflammation; future drug-fine-tuning potential "Lizzie" fossil dethroned: Westlothiana lizziae, 34
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