Nature is proud to support Pride in STEM p.5

This year’s International Day of LGBTQ+ People in Science, Technology, Engineering and Maths has our fullest backing.

doi: 10.1038/d41586-019-02022-8

‘I was dying of shame’: Mexican science faces its #MeToo moment p.13

Outpouring of stories on social media prompts fierce debate about sexual harassment and assault at Mexico’s research institutions.

doi: 10.1038/d41586-019-01376-3

Germany’s prestigious Max Planck Society conducts huge bullying survey p.14

Thousands of employees took part in social study after high-profile bullying scandals emerged last year.

doi: 10.1038/d41586-019-02052-2

The US opioid epidemic is driving a spike in infectious diseases p.15

Researchers around the country are scrambling to understand these outbreaks, but lack solid data on case numbers.

doi: 10.1038/d41586-019-02019-3

Discrimination drives LGBT+ scientists to think about quitting p.16

Despite progress, many physical scientists from sexual and gender minorities experience exclusion or harassment at work, finds UK survey.

doi: 10.1038/d41586-019-02013-9

Strange topological materials are popping up everywhere physicists look p.17

doi: 10.1038/d41586-019-02062-0

Does psychology have a conflict-of-interest problem? p.20

doi: 10.1038/d41586-019-02041-5

The biologist using insect eggs to overturn evolutionary doctrine p.24

doi: 10.1038/d41586-019-02040-6

An exciting boost for solar cells p.38

doi: 10.1038/d41586-019-02014-8

Metabolic signal curbs cancer-cell migration p.39

Metastasis, the migration of tumour cells from their primary site, is associated with poor prognosis. A molecule made during cell metabolism limits metastasis, revealing that this metabolite restrains cancer progression.

doi: 10.1038/d41586-019-01934-9

Neural networks mapped in both sexes of the worm p.40

doi: 10.1038/d41586-019-02006-8

Text mining facilitates materials discovery p.42

doi: 10.1038/d41586-019-01978-x

Star-like cells spark behavioural hyperactivity in mice p.43

A molecular dialogue between neurons and star-shaped cells called astrocytes in the striatum of the mouse brain leads to behavioural hyperactivity and inattentiveness that are reminiscent of attention-deficit hyperactivity disorder.

doi: 10.1038/d41586-019-01949-2

Hyperbolic lattices in circuit quantum electrodynamics p.45

doi: 10.1038/s41586-019-1348-3

Electrolytic vascular systems for energy-dense robots p.51

doi: 10.1038/s41586-019-1313-1

Insect egg size and shape evolve with ecology but not developmental rate p.58

doi: 10.1038/s41586-019-1302-4

Whole-animal connectomes of both Caenorhabditis elegans sexes p.63

doi: 10.1038/s41586-019-1352-7

Large-scale chemical–genetics yields new M. tuberculosis inhibitor classes p.72

doi: 10.1038/s41586-019-1315-z

DNA damage detection in nucleosomes involves DNA register shifting p.79

doi: 10.1038/s41586-019-1259-3

Spin–orbit-driven band inversion in bilayer graphene by the van der Waals proximity effect p.85

doi: 10.1038/s41586-019-1304-2

Sensitization of silicon by singlet exciton fission in tetracene p.90

doi: 10.1038/s41586-019-1339-4

Unsupervised word embeddings capture latent knowledge from materials science literature p.95

doi: 10.1038/s41586-019-1335-8

Neogene cooling driven by land surface reactivity rather than increased weathering fluxes p.99

doi: 10.1038/s41586-019-1332-y

Location-level processes drive the establishment of alien bird populations worldwide p.103

doi: 10.1038/s41586-019-1292-2

Noncoding deletions reveal a gene that is critical for intestinal function p.107

doi: 10.1038/s41586-019-1312-2

Hydraulic control of mammalian embryo size and cell fate p.112

doi: 10.1038/s41586-019-1309-x

Long-term ex vivo haematopoietic-stem-cell expansion allows nonconditioned transplantation p.117

doi: 10.1038/s41586-019-1244-x

Migrant memory B cells secrete luminal antibody in the vagina p.122

doi: 10.1038/s41586-019-1285-1

UDP-glucose accelerates SNAI1 mRNA decay and impairs lung cancer metastasis p.127

doi: 10.1038/s41586-019-1340-y