Hippos, now found only in sub-Saharan Africa, managed to survive in central Europe far longer than anyone previously believed. A new analysis of ancient bones shows that hippos lived in the Upper Rhine Graben between about 47,000 and 31,000 years…

Hippos, now found only in sub-Saharan Africa, managed to survive in central Europe far longer than anyone previously believed. A new analysis of ancient bones shows that hippos lived in the Upper Rhine Graben between about 47,000 and 31,000 years…