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Multiple interacting factors have contributed to the rapid decline of honeybee populations worldwide. Here, the authors review the impact of parasites and pathogens, and how ecological and evolutionary principles can guide management practices.
Warming of surface ocean waters is well known, but how the subsurface waters are changing is less clear. This study shows that subtropical mode water in the North Atlantic and North Pacific is warming at twice the rate of the surface waters.
Sagiv et al. review two decades of research into personal values. Although subjective in nature, self-reported values predict a large array of attitudes and preferences. As such, they provide invaluable insight into human behaviour.
Testolin et al. develop a computational model of letter perception based on deep learning and show that domain-general visual knowledge extracted from natural scenes is recycled for learning domain-specific cultural artefacts, such as printed letters.
Global groundwater resources are threatened by over-extraction. An agent-based model is presented, incorporating cooperative and collective action theory that reveals tipping points in social attitudes toward conservation in three at-risk regions.
As sea levels rise, human displacement and subsequent land-use change may be as ecologically significant as the direct impacts of climate change. New work suggesting that mean sea level will rise further and faster than previously thought calls attention to the importance of these indirect processes for ecology and conservation.