According to the strict inclusion/exclusion criteria, 55 patients with knee varus deformity (Hip-knee-ankle Angle, HKA ≤ 160°) and tibial bone defect were finally included. The tibial extension stem ...

The discovery of 1.5-million-year-old bone tools in Tanzania suggests early human ancestors had advanced cognitive abilities and systematically crafted tools from bone much earlier than previously ...

Now, tens of thousands of years later, divers are searching beneath the ice for their bones. Yakutia, part of which is north of the Arctic Circle, encompasses the coldest inhabited place on earth.