Native bees climb social ladder

Researcher Lucas Hearn and field volunteer Tyla Cousins collect Amphylaeus morosus nests from the Dandenong Ranges. Photo by Georgia Macaulay

A native bee which nests in tree-fern fronds is helping scientists understand how life developed to be social and altruistic — and how bees evolved to purposefully hatch sterile young, a fact which defies Darwin’s natural selection theory.

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