Using sound waves for bomb detection

(Phys.org) —A remote acoustic detection system designed to identify homemade bombs can determine the difference between those that contain low-yield and high-yield explosives.

Mushrooms and earthworms work as 'silviculture'

A model, developed by a research group of the School of Forestry at the Technical University of Madrid (UPM), has shown how some types of mushrooms (such as truffles, boletus or chanterelles) associated with earthworms can ...

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