Visiting professor of chemistry, Cornell University, 1957-58. Research carried out at Brookhaven National Laboratory under the auspices of the U.S. Atomic Energy Commission. Note: The article usage is ...

As a result, the changes below have been made to the text. On page 4, right column, second full paragraph, the section title, “Hfq K31 and the Hfq CTD Are Essential for the Modulation by HqbA.” should ...

The authors note that, due to a production error, each author’s affiliation appears incorrectly. Christian Jenewein’s affiliation should appear as “Donostia International Physics Center, Donostia/San ...

Some historically persecuted large carnivore species in Europe and North America are now recovering and expanding into formerly occupied ranges. The spatial and temporal dynamics of wildlife ...

Since 2002, PNAS has offered free and immediate access to journal content for researchers in an initial group of 81 countries, a number that has grown to over 120 lower-income countries. This access ...

Maria Iandolo New, who passed away on July 26, 2024, at the age of 95, was the child of Italian immigrants who came to America as professional musicians. She grew up in the Little Italy section of ...

One glimpse at the devastation in the Los Angeles area, and it’s hard to imagine a complete rebuild. But look at the town of Paradise in northern California today, and you’d never know that the ...

Since the turn of the 21st century, rapid advancements in phylogenomics have significantly deepened our understanding of the tree of life, particularly for ancient divergence. A recent letter to the ...

Edited by Anne C. Hart, Brown University, Providence, RI; received August 29, 2024; accepted December 19, 2024 by Editorial Board Member Yishi Jin ...

Cable bacteria (Desulfaobulbaceae) are known for their ability to conduct electricity in the form of negatively charged electrons over many millimeters. To determine whether cable bacteria can also ...

A kidney cancer cell nucleus is studded with aberrant nuclear speckles (orange). Normal healthy cells tend to have the speckles clustered toward the middle. Image credit: Kate Alexander (Cold Spring ...