Volume 567 Issue 7749



News Features

News & Views

Effects of dengue immunity on Zika virus infection p.467

The factors that contributed to the explosive nature of the 2015 Zika outbreak in the Americas are not well understood. A new analysis explores the link between prior dengue virus exposure and Zika virus infection.

doi: 10.1038/d41586-019-00868-6

The next step in making arrays of single atoms p.468

Three studies have demonstrated the cooling and trapping of single strontium and ytterbium atoms in two-dimensional arrays. Such arrays could lead to advances in atomic-clock technology and in quantum simulation and computing.

doi: 10.1038/d41586-019-00935-y

Ratcheting up lipopolysaccharide transport p.471

A protein complex that moves molecules called lipopolysaccharides between the two cell-wall membranes of certain bacteria is a target for antibiotics. Structures now reveal how this complex delivers its load irreversibly.

doi: 10.1038/d41586-019-00802-w