p.163

The planet’s largest rainforest is on fire. Brazil and the world must halt the destruction before it’s too late.

doi: 10.1038/d41586-019-02615-3

p.163

Respondents to a Nature poll want to make their own decisions about how to interpret citation metrics. That requires data to be freely accessible.

doi: 10.1038/d41586-019-02669-3

p.164

doi: 10.1038/d41586-019-02670-w

p.171

Researchers race to retrieve ice amid protests by local residents.

doi: 10.1038/d41586-019-02566-9

p.173

In a small trial, drugs seemed to rejuvenate the body’s ‘epigenetic clock’, which tracks a person’s biological age.

doi: 10.1038/d41586-019-02638-w

p.174

The publisher is scrutinizing researchers who might be inappropriately using the review process to promote their own work.

doi: 10.1038/d41586-019-02639-9

p.174

Researchers fear for the future of the Institute for Basic Science, which has faced accusations of misconduct and a sizeable budget cut.

doi: 10.1038/d41586-019-02363-4

p.175

Photos of missing fossil show these ancient hominins had slimmer digits than their Neanderthal relatives.

doi: 10.1038/d41586-019-02647-9

p.178

doi: 10.1038/d41586-019-02673-7

p.184

doi: 10.1038/d41586-019-02658-6

p.198

doi: 10.1038/d41586-019-02663-9

p.199

Piezo proteins mediate the sense of touch. A near-complete structure of one such protein has been obtained, and the mechanism for converting mechanical signals into electrical ones has been probed in another.

doi: 10.1038/d41586-019-02454-2

p.200

A 3.8-million-year-old hominin fossil reveals what the cranium of the oldest known Australopithecus species looked like, casting doubt on assumptions about how these ancient relatives of humans evolved.

doi: 10.1038/d41586-019-02520-9

p.202

doi: 10.1038/d41586-019-02664-8

p.203

An analysis of the dynamics of online hate groups on social-media platforms reveals why current methods to ban hate content are ineffective, and provides the basis for four potential strategies to combat online hate.

doi: 10.1038/d41586-019-02447-1

p.205

doi: 10.1038/s41586-019-1538-z

p.214

doi: 10.1038/s41586-019-1513-8

p.220

doi: 10.1038/s41586-019-1514-7

p.225

doi: 10.1038/s41586-019-1505-8

p.230

doi: 10.1038/s41586-019-1499-2

p.235

doi: 10.1038/s41586-019-1532-5

p.238

doi: 10.1038/s41586-019-1542-3

p.243

doi: 10.1038/s41586-019-1533-4

p.247

doi: 10.1038/s41586-019-1477-8

p.251

doi: 10.1038/s41586-019-1540-5

p.256

doi: 10.1038/s41586-019-1529-0

p.261

doi: 10.1038/s41586-019-1494-7

p.266

doi: 10.1038/s41586-019-1509-4

p.271

doi: 10.1038/s41586-019-1536-1

p.276

doi: 10.1038/s41586-019-1521-8

p.281

doi: 10.1038/s41586-019-1534-3

p.287

doi: 10.1038/s41586-019-1530-7

p.291

doi: 10.1038/s41586-019-1519-2