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.
Striations in teeth reveal the pace of life.
A major coffee pest relies on bacteria in its gut to metabolize caffeine.
The offspring of coral exposed to harsh conditions may be better prepared to deal with climate change.
How honey bees pass on immunity to their young.