In an ant colony, ants communicate by tapping their antennae together.
Wicked weedkiller
Wicked weedkiller Researchers have found that a fungus which usually
grows on tomato juice will also act as a herbicide on a weed that
is a serious problem for European farmers. However, spores of the
fungus must be sprayed on the weed at a specific point in its
development for the fungus to be an effective herbicide. 27 NOVEMBER 1999, P. 14
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