A new hypothesis may clarify how European cave bears went extinct. The bears may not have been able to change their diets because of their sinuses.
Tags: extinction science-and-technology skulls hibernation
Beneath their slick skin, some frog skulls sport spines, spikes, and other skeletal secrets called hyperossification.
Tags: evolution skeletons frogs bones amphibians featured science-and-technology skulls
The small Homo erectus cranium and diverse stone tools suggest our ancestors were more varied, both physically and behaviorally, than previously known.
Tags: fossils science-and-technology skulls stone-tools homo-erectus
Research with a baby duckbilled dinosaur "adds to the growing body of evidence that these tissues, cells, and nuclear material can persist for millions—even tens of millions—of years."
Tags: dinosaurs fossils cartilage science-and-technology skulls chromosomes
New research with skulls upends ideas about who arrived in the Caribbean when. "We're going to have to reinterpret everything we thought we knew."
Tags: history migration indigenous-people caribbean featured science-and-technology society-and-culture skulls
Giant panda babies are 900 times smaller than their mothers, but no one knows exactly why. A new look at their bones may clarify why.
Tags: babies bones pandas featured science-and-technology skulls
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