Notebook
- Anthropology
People moved into rainforests much earlier than thought
People lived year-round in rainforests well before previous estimates, an analysis of teeth excavated in Sri Lanka suggests.
- Animals
Hummingbird may get promoted
Not just a subspecies: A flashy, squeaky hummingbird should become its own species, ornithologists argue.
- Genetics
Protein comparisons proposed in 1960s for tracking evolution
In 1965, two scientists spotted molecular signatures of primate divergence. The tool became widespread for studying evolution – and one researcher’s career ended in crime.
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