MEET the Siamese fighting fish—the latest weapon in the battle against terrorism.
Because their skin changes colour in the presence of almost any toxin, it can be used to detect rare biological and chemical weapons that terrorists might use.
In the past, governments thought they knew what biological and chemical weapons threats they faced. But the spectrum of threats from terrorism is much broader. Because the new detection system is based on living cells it will respond to anything that interferes with them, not just the toxins they are programmed to expect. “It is a hypersensitive surrogate for a…
