Blazes of light reveal how plants signal danger long distances

In one video, you can see a hungry caterpillar, first working around a leaf’s edges, approaching the base of the leaf and, with one last bite, severing it from the rest of the plant. Within seconds, a blaze of fluorescent light washes over the other leaves, a signal that they should prepare for future attacks by the caterpillar or its kin. That fluorescent light tracks calcium as it zips across the plant’s tissues, providing an electrical and chemical signal of a threat. In more than a dozen videos like this,…

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Reasons why Catfish becomes Restless inside the pond: Signs, Causes and Control

Most times some catfish farmers complain that they got to their pond and discovered that the fishes were rubbing their bodies against the wall of the pond. Well the common cause of this is when fish are having skin disease or when their water has become too dirty. From practical experience, dirty and turbid water is usually responsible for this. Commonly, if it is due to dirty water, changing the water immediately will make the condition subside. In the case of water get bad faster, there are three major things…

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