p.415

doi: 10.1038/d41586-019-02491-x

p.415

India’s doctors and its government are at loggerheads over much-needed changes to medical education. Differences must be settled and cool heads must prevail.

doi: 10.1038/d41586-019-02469-9

p.423

Swabbing infants with mothers’ vaginal bacteria could affect the children’s health, but critics warn of sparse data and high risk.

doi: 10.1038/d41586-019-02348-3

p.424

Alan Cooper, who leads of the Australian Centre for Ancient DNA, has been stood down pending an investigation.

doi: 10.1038/d41586-019-02490-y

p.425

Canadian telescope finds another eight repeating blasts — energetic events from deep in the cosmos.

doi: 10.1038/d41586-019-02455-1

p.426

Elusive 18-atom ‘cyclocarbon’ could be a step towards molecule-scale transistors.

doi: 10.1038/d41586-019-02473-z

p.427

doi: 10.1038/d41586-019-02360-7

p.429

doi: 10.1038/d41586-019-02472-0

p.442

doi: 10.1038/d41586-019-02450-6

p.443

A type of immune cell called a CD8 T cell, which usually kills disease-causing agents, has been found instead to suppress self-reactive immune cells, thereby offering protection against an autoimmune disease in mice.

doi: 10.1038/d41586-019-02271-7

p.445

doi: 10.1038/d41586-019-02451-5

p.446

An analysis of gut formation in the fruit fly has revealed how gene expression and mechanical forces are coordinated in adjacent populations of cells. The findings highlight the tissue-level control of embryonic development.

doi: 10.1038/d41586-019-02398-7

p.448

The tip of a scanning tunnelling microscope has been used to convert a molecular assembly into a 2D polymer and back, at room temperature — revealing how extreme environmental conditions can alter the progress of reactions.

doi: 10.1038/d41586-019-02452-4

p.449

Global satellite tracking of the oceans has revealed a high degree of spatial overlap between where sharks and industrial fishing vessels are found. This finding underscores the need for shark-conservation efforts.

doi: 10.1038/d41586-019-02357-2

p.451

doi: 10.1038/s41586-019-1436-4

p.461

doi: 10.1038/s41586-019-1444-4

p.467

doi: 10.1038/s41586-019-1492-9

p.474

doi: 10.1038/s41586-019-1443-5

p.481

doi: 10.1038/s41586-019-1467-x

p.488

doi: 10.1038/s41586-019-1438-2

p.493

doi: 10.1038/s41586-019-1486-7

p.497

doi: 10.1038/s41586-019-1445-3

p.502

doi: 10.1038/s41586-019-1435-5

p.507

doi: 10.1038/s41586-019-1491-x

p.511

doi: 10.1038/s41586-019-1481-z

p.516

doi: 10.1038/s41586-019-1479-6

p.520

doi: 10.1038/s41586-019-1474-y

p.524

doi: 10.1038/s41586-019-1488-5

p.528

doi: 10.1038/s41586-019-1469-8

p.533

doi: 10.1038/s41586-019-1482-y

p.538

doi: 10.1038/s41586-019-1450-6

p.543

doi: 10.1038/s41586-019-1464-0