Descent passed from mother to daughter rather than from father to son, a study of more than 500 Iron Age individuals from north-east England suggests
Related stories
UN warns of 'supersized' El Nino as countries prepare for impact
Biodegradable 'nanobone' could one day help regrow bone without painful grafts
There’s a quick way to slow climate change. Why isn’t everyone doing it? – podcast
With education technology, engagement is not the same as learning
Study reveals distinct patterns across single-, multi-, and mass homicides
Crash in dugong population estimates, a warning sign governments can't ignore