The diversity of a tropical forest plant community is stably maintained and species coexist because each species limits its population size through negative frequency-dependent demographic responses.

The brain uses different valuation schemes across contexts. Elston and Wallis show this is supported by hippocampal encoding of context that is broadcast to prefrontal value subcircuits via theta synchronization.

Phylowave, an innovative phylogenetic approach, can identify the main circulating pathogen lineages with increased fitness and the associated genetic changes, enabling the timely identification of emergent strains and deployment of targeted interventions.

The diversity of a tropical forest plant community is stably maintained and species coexist because each species limits its population size through negative frequency-dependent demographic responses.

An analysis of nearly 44,000 mutualistic, commensalistic and parasitic interactions suggests that a species’ ecological generalism results from, rather than causes, ecological success.

When the substrate for ecological interactions is the river network, the emerging universality of form is reflected in its function as ecological corridor, with implications.

The US National Academy of Medicine (NAM)’s first global grand challenge is dedicated to healthy longevity. We summarize the NAM’s Global Roadmap for Healthy Longevity, highlighting evidence that societies can benefit from untapped human, social and economic capital through investments throughout the life course.