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Aug 28, 2024 · Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.
Cultural evolutionary theory: How culture evolves and why it matters
Cultural evolutionary theory: How culture evolves and why it matters
Where will climate change hit hardest? These interactive maps …
Feb 28, 2024 · For the first time in the historical record, the world has experienced a year around 1.5 °C warmer than preindustrial temperatures. The extent to which the planet warms further has big consequences for local extremes of heat, drought, and precipitation.
Genetics of adaptation - PNAS
The rediscovery of Mendel’s work in 1900 showed that heritable variation is controlled by discrete genes. Even before this time, there were calls to link the study of mechanisms of inheritance of adaptive traits with Darwinism as a “test of natural selection” ().The rediscovery of Mendel’s work provided a needed mechanism, and this knowledge then drove theoretical and empirical efforts ...
Table of Contents — August 27, 2024, 121 (35) - PNAS
Aug 27, 2024 · Cover image: Pictured is a cross-section of a developing mouse cochlea stained with fluorescent dyes. Nicholas Xie et al. report that a pair of signaling ligands, Wnt7b and Wnt5a, work together to control the coiling and elongation of the cochlear duct in mice.
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The Proceedings of the National Academy of Sciences (PNAS) publishes high-quality research across a broad range of scientific disciplines.
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The article explores the evolution of language and its underlying mechanisms.
Congruent trophic pathways underpin global coral reef food webs
Jul 28, 2021 · Tropical ecosystems are highly diverse, disproportionally threatened, and critically important from an ecological and societal perspective ().Among them, coral reefs produce and recycle a remarkable amount of biomass, supporting the livelihoods of over 500 million people worldwide ().The invaluable productivity of reefs is mediated by a tremendous number of …