Alexandra Goho
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All Stories by Alexandra Goho
- 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.
- 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.
- Health & Medicine
Compound in salsa kills off Salmonella
Cilantro, one of the key ingredients of salsa, harbors an antibacterial compound that attacks Salmonella bacteria.
- 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.
- 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.
- Chemistry
Crystal could generate pure hydrogen fuel
An organic crystal's unusual molecular-trapping behavior could help drive a new hydrogen economy.
- 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.
- 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.
- Chemistry
Chemical Knot: Scientists assemble legendary symbol by interlocking molecules
Chemists have constructed a molecular version of a Borromean knot.
- Chemistry
Strange brew brings inorganic chemicals to life
A mixture of inorganic chemicals spontaneously forms cell-like structures that behave like tiny chemical reactors.
- 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.
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Expanding the Code: Engineered bacteria are genetic rebels
Researchers have created a bacterium that can incorporate artificial amino acids into their proteins.