New study identifies the best areas for rewilding European bison

At the end of the last ice age, large herds of bison roamed across Europe. But by 1927, the European bison became extinct in the wild, with only about 60 individuals remaining in captivity. Scientists have long debated the ...

Study gives gecko ancestor a place of honor, and a new name

Yale paleontologists have identified a new fossil lizard, found in the western United States, which they say was an ancestor of modern geckos. And they gave it a name that honors the lead researcher's grandmother and great ...

Wing characteristics of primitive insects unraveled

Mayflies are ancient insects that possess a unique life stage not found in other winged insects: Their fully-grown nymphs develop into a winged subadult stage, the so-called subimago, which is not yet capable of reproduction ...

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