Life & Evolution

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scale development

IMPORTANT SPOTS  Tiny bumps (blue dots) on the skin of mammals, birds and reptiles point to shared ancestral structure of hair, feathers and scales. Mouse (far left), snake, chicken and Nile crocodile embryos shown.

Myrmeleontoid larvae

Amber preserved the unique decorations of a larva from the Myrmeleontoid family (shown and illustrated at right). 

green lacewing

Green lacewings can be infected with a bacteria that prevents the survival of any males, a new study finds.

Life & Evolution

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