Ellen Welti explains how grasshoppers in a Kansas prairie could be in decline even with abundant grass.

NAS member David Baker describes how to design proteins from scratch and the products of his lab's own protein design efforts

Elli Theobald and Scott Freeman describe the benefits of active learning for underrepresented minority students.

Adam Millard-Ball and Chris Barrington-Leigh explain trends in urban street network design.

NAS member and Nobel laureate David Baltimore describes efforts to enhance T cells' ability to fight cancer and HIV.

Christine Dunham discusses RNA frameshifting and its potential applications in biotechnology.

Henri Weimerskirch describes how albatrosses can help detect illegal fishing boats.

Philipp Heck tells the story of interstellar stardust grains that predate the Solar System.

Baruch Fischhoff, a decision scientist at Carnegie Mellon University, explains the ingredients necessary for effective science communication.

Kerry Sieh recounts the hunt for a meteorite impact crater in Southeast Asia.