In humans, the social environment is one of the strongest predictors of health and lifespan. Similar patterns in other social mammals suggest that this is deeply rooted in our evolutionary history.

Ritual activity is commonly argued to have played an important role in the development of complex sociopolitical formations worldwide. In the Central Andes, where ritual apparently contributed to both ...

We thank Phillip Ipock for experimental support, Dr. Daria Kim for helpful discussions, and Dr. D. Branch Moody for reading and commenting on the manuscript. We also thank Dr. Thomas Dieffenbach of ...

Why rates of phenotypic evolution vary across the tree of life is still not well known. A widespread view holds that fast rates result from the colonization of empty adaptive zones, or sets of similar ...

Clownfishes in coral garden. Image credit: iStock/fototrav. How sea anemones influence clownfish diversification Well-known for their bright color patterns, clownfishes are found on tropical coral ...

Conventional elastic metasurfaces for energy focusing are limited by chromatic aberration, preventing broadband operation. Here, we propose an elastic metasurface with achromatic focusing across an ...

Granular materials-from soils to pharmaceutical powders-exhibit mechanical behavior governed by interaction between solid grains and interstitial fluids. Capillary forces critically control these ...

In 2006, historian Jo Guldi recalled Google Books as nothing less than a revelation. The company had started digitizing millions of books from university and public libraries. With a single click, ...

Marine communities around the world show trophic convergence in similar environments, complementing our understanding of the factors that determine the biogeography of marine species. The existence of ...

Contributed by Katepalli R. Sreenivasan; received January 31, 2025; accepted March 23, 2025; reviewed by Sergio Hoyas and Yoshiyuki Tsuji ...

Edited by Zsuzsanna Zsengeller, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; received September 12, 2024; accepted March 8, 2025 by Editorial Board Member Carl F. Nathan ...

Bacterial conjugation is a key driver in the spread of antibiotic resistance. Despite extensive knowledge of the molecular mechanisms of conjugation, the dynamics of plasmid transfer within spatially ...