Alexandra Goho

All Stories by Alexandra Goho

  1. Tech

    Sweet Frequency: Implantable glucose sensor transmits data wirelessly

    Modeled after antitheft magnetic strips, a new implantable glucose sensor for diabetes patients could do away with daily pinprick tests.

  2. Materials Science

    Cool Magnet: A little bit of iron gives magnetic refrigeration a boost

    An improved material moves magnetic refrigeration one step closer to commercial reality.

  3. Health & Medicine

    Compound in salsa kills off Salmonella

    Cilantro, one of the key ingredients of salsa, harbors an antibacterial compound that attacks Salmonella bacteria.

  4. Chemistry

    Weighty Discovery: Chemical screening technique identifies potential anthrax drug

    A new version of mass spectrometry could speed the process of drug discovery by enabling more accurate screening of thousands of chemicals at once.

  5. Tech

    DNA puts its best foot forward

    A robot made of DNA has taken its first steps, suggesting that such devices could eventually be used for nanoscale manufacturing.

  6. Chemistry

    Crystal could generate pure hydrogen fuel

    An organic crystal's unusual molecular-trapping behavior could help drive a new hydrogen economy.

  7. Tech

    Protein Power: Solar cell produces electricity from spinach and bacterial proteins

    Researchers have fabricated a solar cell that uses photosynthetic proteins to convert light into electricity.

  8. Materials Science

    Nice Threads

    Once researchers figure out how to spin strong fibers out of carbon nanotubes, real-world applications such as long-distance power-transmission cables, lightweight aircraft materials, and electronic textiles become feasible.

  9. Chemistry

    Chemical Knot: Scientists assemble legendary symbol by interlocking molecules

    Chemists have constructed a molecular version of a Borromean knot.

  10. Chemistry

    Strange brew brings inorganic chemicals to life

    A mixture of inorganic chemicals spontaneously forms cell-like structures that behave like tiny chemical reactors.

  11. Materials Science

    Branching Out: Semiconducting nanotrees could boost electronics

    Forests of semiconducting nanotrees could form the basis of future solar cells, low-energy lighting, and other optical or microelectronic devices.

  12. Expanding the Code: Engineered bacteria are genetic rebels

    Researchers have created a bacterium that can incorporate artificial amino acids into their proteins.