A woman in Pitumarca, Cuzco Region, Peru, begins weaving a textile on a backstrap loom. She is holding a llama-bone pick, used to help handpick the motifs and to beat (push tight) the weft yarns.
Reef-building sponges are giving up their long-held secrets.
The flexible neck of the Amazon River dolphin let it hunt masterfully in the muddy shallows of the Amazon Basin.
Forensic anthropologists do facial reconstruction from remains of two crewmen found on the USS Monitor
The evolution of disgust