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Food for everyone

25.10.2002

Margareta Bergman of the Swedish University of Agricultural Sciences says that when moose nibble on trees, it stimulates the growth of new branches.

This conclusion was led by an experiment in which one group of young willows was trimmed with secateurs, and in another group, after the same haircut, cuts of branches were smeared with elk saliva. The third group was not trimmed in any way. It is known that pruning plants enhances their growth. After 15 weeks, it turned out that simple pruning increased the number of new shoots compared to control plants by 20 percent, and pruning and saliva smearing increased the number of new branches by as much as 110 percent.

Which component of saliva acts this way is not yet known. But if it can be isolated and synthesized, then, perhaps, gardens will be sprayed with this drug.

M. Bergman notes that some species of plants, in response to their eating by animals, have developed toxic or unpleasant substances in themselves, while others, apparently, have learned to quickly compensate for the damage.

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A new material, which is a superconductor, in which there is no electrical resistance and magnetic field, was found by scientists from the University of California at Santa Barbara.

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