American scientists have discovered that rice defends itself against caterpillars by luring them inside its spikelets, where special hairs trap them, making escape impossible. Then, the grain husks close in and fatally crush the pests. This natural defense mechanism could help develop new varieties of cereals that are resistant to insects without the need for chemical pesticides.
Some butterfly caterpillars use not only chemical but also acoustic signals, mimicking the rhythms of ants to blend into their colonies and gain protection and food. This rhythm helps them be recognized as “one of their own” and survive inside the anthill.
A new study has shown that native tree species, such as oaks, are especially important for the successful breeding of urban birds, as they provide a rich food source. Planting native trees helps support biodiversity and maintain the health of urban ecosystems.