Eric Martínez explains why legal documents are written in hard-to-read language.

Researchers explore trends in the gender gap among internationally mobile scholars.

Mattia Tagliavento talks about the evolutionary transition from dinosaurs to birds using isotopes in Troodon eggshells.

Pengfei Liu shares findings on racial disparities in exposure to the air pollutant nitrogen dioxide.

Chinmay Kalluraya and Matthew Daugherty explain how vertebrates acquired a gene critical for vision from bacteria.

Blair P. Bentley, Lisa Komoroske, and Camila Mazzoni discuss the role genomic elements play in the evolution of sea turtles.

A special edition of Science Sessions delves into the capabilities of robots inspired by plants and animals.

Stanislas Dehaene and Marie Amalric investigate whether short online videos are sufficient to teach mathematics concepts.

Anna Lea Albright and Peter Huybers describe how optical effects consistent with air pollution appear in the paintings of Claude Monet and J.M.W. Turner.

Kristin Winchell explains the genetic basis of anole adaptation to urban environments.