Pnas Science Sessions

Francesco Paesani, Thomas Zeuch, and Valeria Molinero discuss the size limits of ice crystals.

Julia Schwab and Steve Brusatte describe how marine reptiles made the evolutionary move from land to sea.

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.

Dana Lepofsky describes ancient sustainable clam gardening practices.

Theoretical physicists Hans Briegel and Hendrik Poulsen Nautrup describe an artificial intelligence that can design quantum experiments.

Simon DeDeo and Alexander Barron discuss the rhetoric that shaped the French Revolution.

Cam Braun explains how ocean eddies allow sharks to dive and forage in deep water.

Shara Bailey explains the significance of a three-rooted lower molar in an archaic jaw.

Noel Clark and Tommaso Bellini describe how nucleic acids form double-helical liquid crystals, with implications for the origins of life.

Benjamin de Haas explains individual differences in eye movement patterns.

Eric Boilard explains the role of serotonin and platelets in immune responses.