Volume 599 Issue 7885



News Features

News & Views

Iodine powers low-cost engines for satellites p.373

Solid iodine transforms directly into gas when heated — a property that has been used to create cheap, compact engines that could make large networks of small satellites commercially viable.

doi: 10.1038/d41586-021-03384-8

Fifty years of the brain’s sense of space p.376

Neurons in a brain region called the hippocampus were found to be selectively active when rats are in a specific spatial location during natural navigation. The discovery launched research efforts into how the brain supports spatial memory.

doi: 10.1038/d41586-021-03010-7

Californium—carbon bond captured in a complex p.379

The scarcity and high radioactivity of the heaviest actinide elements, such as californium, make their study a formidable challenge. A landmark report describes the first structural characterization of a californium—carbon bond.

doi: 10.1038/d41586-021-03385-7