Entry tags:
- 2500 bce,
- 3500 bce,
- archaeologist,
- barcelona spain,
- barrows,
- bbc news,
- beaker people,
- cambridge us,
- carles lalueza-fox,
- climate change,
- david reich,
- dna analysis,
- earth burial mounds,
- earth mounds,
- harvard medical school,
- ibe,
- institute of evolutionary biology,
- language,
- migrations,
- mike parker pearson,
- nature magazine,
- neolithic,
- plague,
- pnas journal,
- population,
- skara brae,
- steven shennan,
- stonehenge,
- university college london