Thanks to the special collar and sheep could soon be defending and saving theirn own lives from the wolves with SMS messages. According to the British "Daily Mail", Swiss scientists are working on an electronic system that responds to the rapid heart rate of sheep, that automatically sends a message to the farmers that the sheep are in danger. Scientists proved that sheep's heart rate is three times faster when they they feel threatened, so they came up with a necklace that registers heart rate and send a text message in the case of an emergency. Prototype necklaces should be tested next year in Switzerland and France. Things will be easier in sheep world.
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