Daily briefing: Rising seas threaten three times as many people as previously thought

Nature, Published online: 30 October 2019; doi:10.1038/d41586-019-03336-3

The most detailed maps yet of coastal topography show millions more could be at risk. Plus: geneticists recoil from a controversial ‘gay gene’ app and doubts are raised about an influential study in which healthy people were purposely sent to mental hospitals.