Editorials
Europe’s incoming research chief must act to head off budget cuts p.597
doi: 10.1038/d41586-019-03262-4
Beware the UK government’s Brexit promises p.597
doi: 10.1038/d41586-019-03263-3
Open data could save more tigers p.598
doi: 10.1038/d41586-019-03264-2
News
Scientists struggle to access Africa's historical climate data p.605
doi: 10.1038/d41586-019-03202-2
Canadian scientists relieved as Trudeau ekes out election win p.606
doi: 10.1038/d41586-019-03208-w
Venice ‘time machine’ project suspended amid data row p.607
doi: 10.1038/d41586-019-03240-w
Millions of black people affected by racial bias in health-care algorithms p.608
doi: 10.1038/d41586-019-03228-6
Controversial ‘gay gene’ app provokes fears of a genetic Wild West p.609
doi: 10.1038/d41586-019-03282-0
News Features
India’s tigers seem to be a massive success story — many scientists aren’t sure p.612
doi: 10.1038/d41586-019-03267-z
The promise and peril of the new science of social genomics p.618
doi: 10.1038/d41586-019-03171-6
News & Views
Senescent cells feed on their neighbours p.635
doi: 10.1038/d41586-019-03271-3
Ancient air challenges prominent explanation for a shift in glacial cycles p.636
doi: 10.1038/d41586-019-03199-8
Bacterial twist to an antiviral defence p.638
doi: 10.1038/d41586-019-02974-x
Teamwork by different T-cell types boosts tumour destruction by immunotherapy p.639
doi: 10.1038/d41586-019-03106-1
Robust evidence of declines in insect abundance and biodiversity p.641
doi: 10.1038/d41586-019-03241-9
Articles
A 100-kiloparsec wind feeding the circumgalactic medium of a massive compact galaxy p.643
doi: 10.1038/s41586-019-1686-1
Braess’s paradox and programmable behaviour in microfluidic networks p.647
doi: 10.1038/s41586-019-1701-6
Superconductors, orbital magnets and correlated states in magic-angle bilayer graphene p.653
doi: 10.1038/s41586-019-1695-0
Polymers with controlled assembly and rigidity made with click-functional peptide bundles p.658
doi: 10.1038/s41586-019-1683-4
Two-million-year-old snapshots of atmospheric gases from Antarctic ice p.663
doi: 10.1038/s41586-019-1692-3
Widespread global increase in intense lake phytoplankton blooms since the 1980s p.667
doi: 10.1038/s41586-019-1648-7
Arthropod decline in grasslands and forests is associated with landscape-level drivers p.671
doi: 10.1038/s41586-019-1684-3
Evolution of the new head by gradual acquisition of neural crest regulatory circuits p.675
doi: 10.1038/s41586-019-1691-4
One thousand plant transcriptomes and the phylogenomics of green plants p.679
doi: 10.1038/s41586-019-1693-2
Dietary salt promotes cognitive impairment through tau phosphorylation p.686
doi: 10.1038/s41586-019-1688-z
Cyclic GMP–AMP signalling protects bacteria against viral infection p.691
doi: 10.1038/s41586-019-1605-5
MHC-II neoantigens shape tumour immunity and response to immunotherapy p.696
doi: 10.1038/s41586-019-1671-8
Engineering orthogonal signalling pathways reveals the sparse occupancy of sequence space p.702
doi: 10.1038/s41586-019-1639-8
Recurrent noncoding U1 snRNA mutations drive cryptic splicing in SHH medulloblastoma p.707
doi: 10.1038/s41586-019-1650-0
The U1 spliceosomal RNA is recurrently mutated in multiple cancers p.712
doi: 10.1038/s41586-019-1651-z
Alcohol metabolism contributes to brain histone acetylation p.717
doi: 10.1038/s41586-019-1700-7
Structural basis for enzymatic photocatalysis in chlorophyll biosynthesis p.722
doi: 10.1038/s41586-019-1685-2