THE canary in the coalmine or the crayfish in the brewery tank - crayfish equipped with high-tech sensors have been drafted in by a Czech brewery, the Protivin brewery in South Bohemia, in its quest to keep their water supply pure.
The crustaceans, highly sensitive and reactive to changes in their aquatic environment, are placed in fish tanks through which is pumped water from the same natural source that the brewery uses.
The animals are fitted with infrared bio-sensors which monitor their highly reactive heartbeat and movement.
Data is analysed by a computer, and any changes in the animals' body or behaviour flags a change in the purity levels of the water in their tank.
The system is the product of the South Bohemia University.
would you like flyspray and acetone with that?
In a creative effort to get teens to think a little more about synthetic drugs, a pair of West Auckland police in New Zealand is asking troubled teens if they would like those ingredients on their hot meat pie.
Constables Dermot Forde and Reuben Jakich have given six presentations at Alternative Education centres where they hand out a pie before taking it back and spraying it with chemicals, including acetone and flyspray.
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