Clay weekly context brief for the Chemistry category (ISO week 2026-W42). Clay tracks publications from the Chemistry feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed. Recent publications: 1. Wildfire smoke evolves as it drifts from wilderness to city Source: Chemical & Engineering News Link: https://cen.acs.org/environment/atmospheric-chemistry/wildfire-smoke-plume-drift-aerosol-nox-ozone-voc/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Faced with a warmer, smokier future, scientists work to understand the environmental and health risks of aged wildfire plumes 2. Chemists create full-color tattoos that can turn on and off Source: Chemical & Engineering News Link: https://cen.acs.org/materials/nanomaterials/tattoo-ink-rewritable-disappear-photochemistry/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Nanoparticles filled with photochromic ink make colorful designs that appear and disappear in response to light 3. The transformative origins of chemistry are on display in this new art exhibit Source: Chemical & Engineering News Link: https://cen.acs.org/acs-news/science-history-institute-alchemy-fisher-gallery/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Fire and Gold : The Art of Alchemy exhibit will be on permanent display at the Science History Institute 4. A taste for unusual colors Source: Chemical & Engineering News Link: https://cen.acs.org/materials/taste-unusual-colors/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen From Windex-blue sapphires to alga-green ketchup, researchers expand the palette 5. C&EN weekly chemistry news quiz, Oct. 9 Source: Chemical & Engineering News Link: https://cen.acs.org/people/nobel-prize/cen-weekly-chemistry-news-quiz-october-9/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Test your knowledge of our stories on the Nobel Prizes this week 6. Podcast: Chirality claims the Chem Nobel (again) Source: Chemical & Engineering News Link: https://cen.acs.org/people/nobel-prize/chirality-claims-chem-nobel-2026/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen The two awardees shed light on how we can live in a world of left-handed molecules 7. Opinion: I gave a chemistry lecture in a bar. It was a revelation Source: Chemical & Engineering News Link: https://cen.acs.org/education/outreach/organic-chemistry-public-outreach-engagement-communication/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen I discovered adults eager to learn. Let's do more to reach them 8. Register for the 2026 Central Regional Meeting Source: Chemical & Engineering News Link: https://cen.acs.org/acs-news/register-2026-central-regional-meeting/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen The event will take place Nov. 1417 at the Northern Kentucky Convention Center in Covington 9. Analytical Chemistry names next editor in chief Source: Chemical & Engineering News Link: https://cen.acs.org/acs-news/Analytical-Chemistry-names-next-editor/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Christy L. Haynes, professor at the University of Minnesota, will lead the journal starting Jan. 1, 2027 10. Drug services industry touts capacity investments Source: Chemical & Engineering News Link: https://cen.acs.org/business/outsourcing/drug-services-industry-touts-capacity/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Companies at the CPHI pharmaceutical ingredient convention say demand remains strong 11. AI agents are not good at interpreting science. What can be done? Source: Chemical & Engineering News Link: https://cen.acs.org/policy/publishing/ai-agents-interpreting-science/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen As shortcomings of the agents become apparent, researchers are proposing strategies to help them improve their outputs 12. Organized academic harassment at Hokkaido University Chemistry Department Source: Chemical & Engineering News Link: https://cen.acs.org/research-integrity/misconduct/organized-academic-harassment-hokkaido-university/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Koza-sei system led to sidelining of associate professors, pressuring them to leave 13. 2026 Chemistry Nobel awarded for chiral chemistry advances Source: Chemical & Engineering News Link: https://cen.acs.org/people/nobel-prize/chemistry-nobel-chirality-kagan-soai/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Henri B. Kagan and Kenso Soai win the 2026 Nobel Prize in Chemistry for their work on nonlinear effects and asymmetric catalysis 14. Three researchers receive 2026 Blavatnik National Awards Source: Chemical & Engineering News Link: https://cen.acs.org/people/awards/three-researchers-receive-2026-blavatnik/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Patrick Hsu, David Nagib, and Jonathan Rivnay work in a range of chemistry-related fields 15. Chemical, other industry groups back bipartisan Senate permitting bill Source: Chemical & Engineering News Link: https://cen.acs.org/policy/legislation/permitting-energy-infrastructure-chemical-biopharma-projects/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Legislation introduced last week could speed up federal approvals for energy and other major projects, but its fate remains uncertain 16. Business Watch: CJ CheilJedang and ADM to form an amino acids joint venture, and more Source: Chemical & Engineering News Link: https://cen.acs.org/business/business-watch-cj-cheiljedang-adm-ptt-siam-cement/104/web/2026/10?sc=230901_cenrssfeed_eng_latestnewsrss_cen Heres what were watching in the chemical and pharmaceutical industries this week Sources in this brief: Chemical & Engineering News. Selected 16 of 20 available items for this weekly brief.