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.

A collection of research articles explores developments in interfacial transport and mixing, with wide-ranging practical applications.

Jennifer Mandel outlines the evolutionary history of the sunflower family.

Jonathan Lefcheck and Robert Orth discuss nutrient pollution and recovery in the Chesapeake Bay.

Daniel Hodgson explains the physics of chocolate-making.

Chris Field discusses misconceptions about climate change and how humans can adapt to a warming planet.