Keeping vaccines cold: travails of immunizing the world's children

Article Abstract:

The World Health Organization uses what is known as a cold chain to refrigerate and deliver vaccines to foreign countries. The use of chemical monitors to check the freshness of vaccines and the use of heat-stable, dried vaccines may make the delivery of vaccines easier.

Management, Children, Transportation, Vaccines, Immunization of children, Immunization, World Health Organization, Logistics

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Urbaculture: cities of the developing world learn to feed themselves

Article Abstract:

According to a report issued by the UN Development Program in preparation for the May 1996 United Nations Conference on Human Settlements (Habitat II), urban agriculture could help even the poorest city-dwellers gain some food self-sufficiency.

International aspects, Developing countries, Urban agriculture, Working-men's gardens

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Is the end in sight?

Article Abstract:

Researchers at Bell Laboratories have fabricated the world's smallest transistor chip, which measures only 60 nanometers wide. The transistor promises to bring higher electrical transmission rate and lower power consumption cost.

Research, Innovations, Telecommunications services industry, Telecommunications industry, Transistors, Metal oxide semiconductors, Lucent Technologies Inc. Bell Laboratories

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