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.

Environmental aspects, Shrubs, Weeds

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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.

Laws, regulations and rules, Digital communications, United States. Federal Bureau of Investigation, Wiretapping

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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.

Innovations, Software, Data encryption, Electronic mail systems, Email, Digital signatures, Digital signatures (Authentication)

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