Sri Lankan twin study finds one-third of variation in depressive symptoms is genetic; two-thirds is environmentally influenced - and symptoms are strongly associated with health-related quality of life

High fixed costs for retailing fresh fruit and vegetables means that they cost 40% more than would be efficient, unlike unhealthy alternatives, which trade close to marginal cost, a new study demonstrates.

The 2022 Joint Meeting of the Geological Society of America North-Central and Southeastern Sections will be held in Cincinnati, Ohio, on 7–8 April. We are pleased to announce a wide-ranging set of symposia, theme sessions, and short courses aligned with our meeting theme: Geoscience in a changed and changing world.