US defence policy: Anti-satellite weapon still under fire

Laser Man versus Man Weapon Fire Simulation

This report describes a man versus man semiconductor laser weapon fire simulation system that eliminates the requirement that the trainee wear on his body numerous laser detectors that impede his motion and are subject to damage. The system utilizes retroreflective material and two transmitted eyesafe laser beams. The first beam, when reflected, ascertains a hit and the second broad beam commun...

Plant Defence: A New Weapon In The Arsenal

Plants have evolved intricate defence mechanisms to cope with the wide array of microbial pathogens they encounter. The identification of Sgt1 as an essential component of R gene-mediated disease resistance suggests that the ubiquitin protein degradation pathway plays an important role in plant defence.

Human Rights in US Foreign Policy

The anti-prostitution policy in the US HIV/AIDS program.

T here is much to applaud in the legislation authorizing US foreign assistance for HIV/AIDS (the US Leadership Against HIV/AIDS, Tuberculosis, and Malaria Act -hereafter the Leadership Act). President George W. Bush and Congress passed this landmark legislation in a laudable effort to address the catastrophic HIV/AIDS pandemic. The law has vastly increased US funding for HIV/AIDS programs and h...

Defence policy : One clear objective