Tantalizing tubes: hype aside, applications of carbon nanotubes progress -- slowly

Article Abstract:

Carbon nanotubes are strong, conductive, light-weight, flexible, and very tiny fibers of carbon atoms that may have wide applications in electronics and other industries. Nanotubes can act as diodes, transistors, field emitters, signal amplifiers and strengtheners, and may replace silicon in the race to miniturize computer and electronic components.

Equipment and supplies, Carbon, Nanotechnology, Flat panel displays

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A host with infectious ideas

Article Abstract:

Evolutionary biologist Paul Ewald believes that chronic illnesses such as cancer, heart disease and Alzheimer's disease are caused by infections. It is known that bacteria causes ulcers and that various viruses are linked to various cancers. Ewald's theory is disputed by many.

Chronic diseases, Opportunistic infections, Host-parasite relationships

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An earth without people

Article Abstract:

Alan Weisman believes that New York City would revert back to forested island, if humans were to disappear and evolution of baboons as a dominant species.

Executive changes & profiles, Officials and employees, Interview, Journalists, The University of Arizona, Weisman, Alan

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