All Stories by Alexandra Goho
- Materials Science
News That’s Fit to Print—and Preserve
Analyses of newsprint materials suggest that, despite their frail appearance, newspapers can last more than 200 years in storage—a fact that calls into question the merits of microfilming.
- Tech
Gene Screen: Ultrasensitive nanowires catch mutations
Researchers have devised a nanowire sensor that binds to DNA molecules and produces an electrical signal almost instantaneously.
- Materials Science
Crystal Clear: Liquid crystal sensor plays nature’s game
By fixing the components of a cell membrane to a liquid crystal, researchers devised a sensitive and high-speed sensor for detecting chemical and biowarfare agents.
- Materials Science
Crystal Clear: Liquid crystal sensor plays nature’s game
By fixing the components of a cell membrane to a liquid crystal, researchers devised a sensitive and high-speed sensor for detecting chemical and biowarfare agents.
- Materials Science
New materials take the heat
Researchers have devised a way to prevent an innovative solar cell material from degrading under high temperatures and prolonged exposure to light.
- Materials Science
New materials take the heat
Researchers have devised a way to prevent an innovative solar cell material from degrading under high temperatures and prolonged exposure to light.
- Materials Science
Drug particle delivers insulin on demand
Injectable polymer nanoparticles could store insulin in the body over several days and release the medication precisely when blood sugar concentrations change.
- Materials Science
Drug particle delivers insulin on demand
Injectable polymer nanoparticles could store insulin in the body over several days and release the medication precisely when blood sugar concentrations change.
- Earth
Gemstone Geography: New technique discerns emeralds’ beginnings
Water molecules trapped inside the minuscule channels of an emerald harbor telltale signs of the gem's geographic origin.
- Health & Medicine
Nanoparticles hunt down and kill tumors
Gold nanoparticles, injected into mouse tumors and exposed to light, have been found to destroy cancer cells, a treatment approach that may one day offer an alternative to surgery.
- Humans
Nanotech bill gives field a boost
Congress has approved a nanotechnology act that commits $3.7 billion in funding over 4 years and calls for research on the societal, environmental, and ethical implications of this rapidly growing field.
- Chemistry
The March of History: Terra-cotta warriors show their true colors
As archaeologists continue to excavate the famous Chinese terra-cotta warriors, a new restoration technique could preserve the figures' paint coats, which normally peel off when exposed to the elements.
