Chemistry

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Hayabusa2’s Ryugu Samples Confirm All Five DNA/RNA Bases, Pointing to Space-Born Formation Clues

Researchers link Ryugu’s nucleobase balance to ammonia levels, signaling formation pathways now being tested in the lab.

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Ubiquitous Carbon Film Found to Control Static Charge Flow on Insulating Oxides

Ryugu Samples Contain All Five DNA and RNA Bases, Peer-Reviewed Study Finds

Scientists Pin Down Quinine’s Biosynthetic Pathway, Paving the Way for Engineered Production

Study Ties Childhood PFAS, Especially PFOA, to Lower Adolescent Bone Density

Ancient Star in Pictor II Bears the Imprint of One Weak First-Generation Supernova

Lab-Made Hexagonal Diamond Clears Key Tests, Slightly Out-Hardens Cubic Diamond

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

Science Study Reveals Lithium Battery Dendrites Are Strong, Brittle Needles

Scientists Report New Trisulfide Metathesis Reaction That Rewrites S–S–S Bond Chemistry

IBM Publishes First Reference Architecture for Quantum‑Centric Supercomputing

U.S. Weighs Risky Seizure or Diplomacy as Iran’s 60% Uranium Stockpile Remains Unverified

PFAS Residues Found on Nearly 40% of California Produce, New Analysis Shows

ALMA Maps Show Interstellar Comet 3I/ATLAS Is Exceptionally Methanol-Rich

Scientists Build First Half‑Möbius Molecule, Validated by Quantum Simulation

Cambridge Team Observes 18-Femtosecond, Vibration-Driven Charge Transfer

Irvine Teen Defends Home Lab as FBI Hazmat Probe Continues

FBI Leads Hazmat Probe at Irvine Luxury Home as Teen’s Lawyer Disputes Threat

Study Links Two ‘Forever Chemicals’ to Faster Biological Aging in Middle-Aged Men

New Tests Find Lead and VOCs in Nearly All Braiding Hair Extensions