Volume 54 | Number 07 | September 2021
The Loopy Fluid Dynamics of Bird Lungs

The Loopy Fluid Dynamics of Bird Lungs

One-way flows persist throughout the bird respiration cycle due to a unique topology that contains looped airways.

The NIST Big Data Interoperability Framework

The NIST Big Data Interoperability Framework

The NIST Big Data Public Working Group aims to develop a secured reference architecture that is vendor-neutral and technology-agnostic.

Prime Gap Breakthrough

Prime Gap Breakthrough

James Case reviews "Bounded Gaps Between Primes: The Epic Breakthroughs of the Early Twenty-First Century."

Solitary Water Waves

Solitary Water Waves

An excerpt from "Nonlinear Water Waves with Applications to Wave-Current Interactions" delves into solitary waves.

An Incompetence Problem

An Incompetence Problem

Mark Levi considers an occupation in which each member is classified as either competent or incompetent.