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 ...

Two common findings from past research on sleep duration are that people who sleep too little suffer from various health consequences and that people from some cultures often have sleep durations that ...

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.

Gels found in nature and synthesized in the laboratory are often made of multiple components. Surprisingly, their properties are not present in their components alone, that is, they are more than the ...

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 ...

Monsoon circulations are crucial for the livelihood of more than two billion people on Earth. Here, we show that the underlying dynamics that causes the monsoon rainfall is that of a seasonal ...

Gain or loss of whole chromosome arms following centromere breaks is frequent in cancer, but whether or not there is a common initiating event is unknown. Here, we show that the total number of ...

Mirror symmetry is a prominent feature of “coconformational mechanically helical chirality.” Nevertheless, when a topological molecule cannot be continuously deformed into its mirror image within ...

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 ...

We thank Antonio Cabrales, Christine Eckert, Javier Gardeazabal, Nagore Iriberri, Pedro Rey-Biel, József Sákovics, Steven Stillman, and seminar and conference participants for helpful comments. We are ...

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 ...