Out of place; a weed is a valuable crop to some farmers
Article Abstract:
Many small farmers in Southeast Asia and Africa are against the eradication of Chromolaena odorata, a fast-growing shrub that can shade infant trees and crops. They use this shrub to crowd out grasses and other weeds and restore the soil of their farms during fallow years.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1995
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Tap dance: keeping communications networks safe for bugging
Article Abstract:
The Federal Bureau of Investigation fears that digital communications systems could make wiretapping impossible. Proposed legislation requiring manufacturers to ensure that communications equipment can be tapped has been controversial.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1992
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Electronic envelopes? The uncertainty of keeping e-mail private
Article Abstract:
Privacy Enhanced Mail and Pretty Good Privacy are two competing computer programs that have been designed to keep electronic mail private. The programs are compared and contrasted.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1993
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- Abstracts: Barriers to the software industry development in Japan: the structure of the industry and software manpower. The India option: perceptions of Indian software solutions
- Abstracts: Mulching as a countermeasure for crop contamination within the 30 km zone of Chernobyl Nuclear Power Plant. Particle and plutonium mobilization in macroporous soils during rainfall simulations
- Abstracts: Inflation is dead; long live inflation: how an underdense universe doesn/t sink cosmic inflation
- Abstracts: Cells for Jerry's kids; experts argue the merits and safety of human trials. The future of human evolution
- Abstracts: Maine case deals blow to DNA fingerprinting. Brown turns up the heat on pork. House puts its stamp on the budget