Caterpillars mimic leaves or offer rewards for protection by ants

For a caterpillar that lives surrounded by ants, there are two ways of avoiding attack: going unnoticed or offering the ants a sugary treat in exchange for protection. This is the main conclusion of a study funded by FAPESP ...

Device could help detect signs of extraterrestrial life

Although Earth is uniquely situated in the solar system to support creatures that call it home, different forms of life could have once existed, or might still exist, on other planets. But finding traces of past or current ...

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