<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://newsletter.kiin.bio/p/talus-bios-ptarmigan-1-the-human</loc><news:news><news:publication><news:name>Kiin Bio Weekly</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-08-06T17:01:25+00:00</news:publication_date><news:title>Talus Bio's Ptarmigan-1, the Human Cancer Models Initiative, and Vilya Research's Vilya-2</news:title></news:news></url></urlset>