Chemistry

  1. Chemistry

    Quantifying the “gene for” fallacy

    Looking at one gene at a time misses about a third of the genes that contribute to the way a cell functions, scientists say.

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  2. Life

    Viruses rewritten

    Scientists could create wimpy versions of real viruses to develop vaccines for emerging diseases.

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  3. Chemistry

    Catching your breath

    Scientists are investigating how to use the human breath to diagnose diseases and environmental ills.

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  4. Health & Medicine

    No babies, no hormones

    A radically different form of contraception would prevent pregnancies with small molecules of RNA.

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  5. Health & Medicine

    Virus versus virus

    Customized RNA snippets delivered by a harmless virus could someday provide a new way to combat the hepatitis B virus.

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  6. Chemistry

    Small, But Super

    These 'atoms' can't leap tall buildings in a single bound, but they have special powers.

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  7. Chemistry

    Life before proteins

    Spheres of fat suggest a way that life on Earth could have gotten started.

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  8. Chemistry

    Deciding Who’s First

    Oxygen serves as the focus of who to credit with a discovery – and why.

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  9. Archaeology

    Footprints in the ash

    Humans may have been walking around what is now central Mexico 40,000 years ago.

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  10. Chemistry

    Kavli Awardees Named

    Norwegian Academy awards three novel and hefty prizes to three teams of scientists.

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  11. Chemistry

    Bug be gone

    Using software that mimics neural networks, researchers have found new mosquito repellents that last longer than commercially available repellent.

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  12. Animals

    How they shine

    Iridescence could be pretty meaningful—or maybe just pretty.

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