Life & Evolution

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Cow killer ant

OUCH  Dasymutilla occidentalis, commonly known as the cow killer ant based on its painful sting, is actually a flightless wasp. The wasp and other venomous critters are the subjects of two new books.

dinosaur illustration

BRIDGE THE GAP  Land crossings may have allowed dinosaurs (such as Supersaurus, shown in this artist’s illustration), lizards and early mammals to migrate across the Atlantic Ocean around 150 million years ago, one researcher proposes.

wolf lichen

WHAT’S IN YOUR LICHEN?  A wolf lichen (Letharia vulpina) is one of the species making scientists rethink more than a century of assumptions about what’s in a lichen.

Life & Evolution

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