This case illustrates a recurring dilemma in AI governance. As large language models (LLMs) and autonomous decision-making ...

We study ionic current fluctuations in solid-state nanopores over a wide frequency range and present a complete description of the noise characteristics. At low frequencies (f ≲ 100 Hz) we observe ...

Finally, Knyazikhin et al. (1) argue that links between leaf biochemistry (e.g., %N) and “hyperspectral” reflectance data are obscured by variation in leaf-surface albedo, which seems inconsistent ...

Journal Club posts are short news stories featuring a recent important, timely journal article selected by one of our Journal Club panelists, who are post-doctoral associates and graduate students in ...

MANY-ELECTRON THEORY OF ATOMS AND MOLECULES Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear ...

PNAS: Welcome to Science Sessions, the podcast of the Proceedings of the National Academy of Sciences, where we connect you with Academy members, researchers, and policymakers. Join us as we explore ...

Edited by Michael L. Klein, Temple University, Philadelphia, PA, and approved February 17, 2012 (received for review November 5, 2011) ...

Formation of cloud droplets is a threshold phenomenon; droplets form only when the local relative humidity (RH) exceeds a critical value which depends on the size and chemical composition of ...

Formation of knots in mathematical self-avoiding random walks has been extensively studied (10 – 16). In the 1960s, Frisch and Wasserman (10) and Delbruck (11) conjectured that the probability of ...

Increasingly, we face compounding and interrelated environmental, socioeconomic, and political crises. Yet our approaches to these problems are often siloed, fragmented, and inadequate. The current ...

Edited by J. C. Séamus Davis, Cornell University, Ithaca, NY, and approved August 10, 2015 (received for review May 28, 2015) ...

The United States produces 41% of the world's corn and 38% of the world's soybeans. These crops comprise two of the four largest sources of caloric energy produced and are thus critical for world food ...