WASHINGTON, Sept. 22 -- The Proceedings of the National Academy of Sciences, a peer-reviewed scientific journal, published research articles on the following topics in its Vol. 119, No. 40 edition:

Biological Sciences:

* The abundance, biomass, and distribution of ants on Earth

* Fast acrobatic maneuvers enable arboreal spiders to hunt dangerous prey

* Dynamics of racial disparities in all-cause mortality during the COVID-19 pandemic