• The honest answer is we do not know because we are dealing with a biological system.

    BBC: TV botanist's alarm at spill

  • Topping up the supply of healing fluid might be done by mimicking another biological system the network of blood capillaries that supplies living tissues with the stuff they need to thrive.

    ECONOMIST: Monitor

  • According to an FBI news release, Mr Dutschke was charged with "knowingly developing, producing, stockpiling, transferring, acquiring, retaining and possessing a biological agent, toxin and delivery system, for use as a weapon, to wit: ricin".

    BBC: Ricin suspect Everett Dutschke appears in court

  • The illness is identified as the consequence of multiple "biological alterations" affecting the brain and nervous system. iReport.com: Do you know someone affected by Gulf War illness?

    CNN: Gulf War illness is real, new federal report says

  • Behe contends that evolution cannot fully explain the biological complexities of life such as the immune system and blood clotting suggesting the work of an intelligent force.

    MSN: Intelligent design vs. stack of science books

  • But if a second wave of outbreaks emerges and this time crashes hard into the U.S., it could wipe out our fragile economy and severely squeeze a public health system already struggling to cope with threats of biological and chemical terror.

    FORBES: Aftershock

  • Last month, Chad Mirkin 's Northwestern spinoff Nanosphere entered into a development contract with the U.S. Government Technical Support Working Group to use Nanosphere's proprietary biomolecular detection system (using gold nanoparticles) for detection of biological warfare agents like anthrax.

    FORBES: Nanotech On The Front Lines

  • While the detection of viruses is distributed over the Internet, for example, just as the cells of the immune system are spread throughout the body, there is no biological equivalent of the central analysis centre.

    ECONOMIST: A thousand ills require a thousand cures

  • The Japanese cult-group Aum Shinrikyo is best known for its 1995 sarin gas attack on the Tokyo subway system, but it is believed that it also planned to use biological weapons against American troops in Japan.

    ECONOMIST: Biowarfare could be the worst terrorist threat of all

  • First, without a strong inspection system, Iraq would be free to retain and begin to rebuild its chemical, biological and nuclear weapons programmes in months, not years.

    BBC: Clinton announces Iraq strikes: Full text

  • Chemical and biological agents can wipe out entire populations, but first they must be placed in an effective delivery system, such as a bomb or warhead fitted with an aerosol diffuser that will spread its plagues or poisons before the weapon explodes.

    CNN: What Saddam's got

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