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...solved the problem simply by turning it upside down. Rather than try to sift marbles through a screen too fine to let them through, Langer in effect wrapped the screen around the marbles, creating a three-dimensional matrix honeycombed with marble-size chutes and ladders that would allow his molecules to slowly work their way out. It was a breakthrough that ushered in a new generation of drug-delivery systems...

Author: /time Magazine | Title: Biomedical Engineering: Drug Deliveryman | 8/20/2001 | See Source »

Using an atomic force microscope and a quaint gadget called the laser tweezer, Bustamante found a way around such limits. The microscope reads the topography of molecules by trailing a fine needle over their surfaces--much as a phonograph reads the grooves of a record. Coat the needle with an appropriate chemical, however, and you convert it into a grapple for manipulating molecules. Laser tweezers, meanwhile, trap molecules and particles in a tightly focused beam of light. Move the beam and you move the object...

Author: /time Magazine | Title: Molecular Mechanics: Protein Wizard | 8/20/2001 | See Source »

...whipped out our credit cards, the familiar stylings of Marvin Gaye streamed from the loudspeakers: “And when I get that feeling, I want sexual healing.” And we were healed. We danced, sang along, induced stares. But it just made us feel so fine. It was a transcendent moment...

Author: By Zoe K. Epstein, | Title: POSTCARD FROM BARCELONA: ‘Purple Rain’ in Spain | 8/17/2001 | See Source »

...surprising? It’s the music we consume in large quantities at home. What we often forget is that despite all the high culture from other countries, they produce their share of bad stuff too. I’m traveling around Europe to sample good food, see fine paintings, and examine classic works of architecture. Even back in the 16th century, before America was a country, I’m sure that for every masterpiece by Michelangelo there were hundreds of campy, tasteless paintings of naked cherubs and grapes...

Author: By Zoe K. Epstein, | Title: POSTCARD FROM BARCELONA: ‘Purple Rain’ in Spain | 8/17/2001 | See Source »

...yuan per month—about $500. The school slips in 300 yuan per month for transportation and 100 yuan per hour of overtime. In a city where a four-yuan bowl of noodles will keep me full for half a day, I’m doing just fine...

Author: By Sarah J. Ramer, | Title: POSTCARD FROM CHINA: In The Workers’ Paradise | 8/17/2001 | See Source »

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