p.5

Traditional therapies have been included in a global diagnostic compendium. That comes with risks.

doi: 10.1038/d41586-019-01726-1

p.5

All researchers should strive to improve the quality, relevance and reliability of their work.

doi: 10.1038/d41586-019-01727-0

p.13

Government concerns are also posing difficulties for US academia at large.

doi: 10.1038/d41586-019-01605-9

p.15

Chikyu drilled deeper into the seafloor than ever before, but could not reach point where tectonic plates meet.

doi: 10.1038/d41586-019-01551-6

p.16

The British Journal of Anaesthesia’s unusual experiment is designed to broaden replicability efforts beyond just methods and results.

doi: 10.1038/d41586-019-01751-0

p.16

Study of almost half a million people links mutation that protects against HIV infection to an earlier death.

doi: 10.1038/d41586-019-01739-w

p.17

A glue ingredient was the secret to getting the mouse cells to multiply outside the body.

doi: 10.1038/d41586-019-01690-w

p.20

doi: 10.1038/d41586-019-01730-5

p.38

doi: 10.1038/d41586-019-01711-8

p.39

doi: 10.1038/d41586-019-01710-9

p.40

The neurotransmitter dopamine facilitates learning, motivation and movement. Evidence of its release independently of the activity of dopamine-producing neurons in rat brains forces a rethink of dopamine regulation.

doi: 10.1038/d41586-019-01589-6

p.42

A study provides evidence that male hummingbirds learn both songs and visual displays by listening to and watching others in their community.

doi: 10.1038/d41586-019-01719-0

p.43

doi: 10.1038/d41586-019-01712-7

p.45

doi: 10.1038/s41586-019-1256-6

p.52

doi: 10.1038/s41586-019-1258-4

p.58

doi: 10.1038/s41586-019-1264-6

p.65

doi: 10.1038/s41586-019-1235-y

p.71

doi: 10.1038/s41586-019-1231-2

p.77

doi: 10.1038/s41586-019-1184-5

p.83

doi: 10.1038/s41586-019-1242-z

p.87

doi: 10.1038/s41586-019-1255-7

p.91

doi: 10.1038/s41586-019-1226-z

p.96

doi: 10.1038/s41586-019-1239-7

p.102

doi: 10.1038/s41586-019-1254-8

p.107

doi: 10.1038/s41586-019-1212-5

p.112

doi: 10.1038/s41586-019-1215-2

p.117

doi: 10.1038/s41586-019-1187-2

p.122

doi: 10.1038/s41586-019-1210-7