Volume 562 Issue 7725



News Features

Science shared p.23

Those who were once the subjects of scientific enquiry are increasingly in the driver’s seat. A special issue explores the co-production of research.

doi: 10.1038/d41586-018-06859-3

News & Views

Blood flow forces liver growth p.42

Increases in biomechanical forces in the liver’s blood vessels have now been shown to activate two mechanosensitive proteins. The proteins trigger blood-vessel cells to deploy regenerative factors that drive liver growth.

doi: 10.1038/d41586-018-06741-2

The electrifying energy of gut microbes p.43

Some bacteria make energy in a process that is accompanied by transfer of electrons to a mineral. A previously unknown electron-transfer pathway now reveals an energy-generation system used by bacteria in the human gut.

doi: 10.1038/d41586-018-06180-z

Neighbourhood deaths cause a switch in cancer subtype p.45

How the same type of cell can form different kinds of tumour isn’t always clear. The discovery that cancer subtype in mice is influenced by the type of cell death occurring in the microenvironment provides some insight.

doi: 10.1038/d41586-018-06217-3

Put to sleep by immune cells p.46

The sleep disorder narcolepsy is linked to immune-system genes and is caused by the loss of neurons that express the protein hypocretin. Hypocretin-targeting immune cells have now been found in people with narcolepsy.

doi: 10.1038/d41586-018-06666-w

Ferroelectric polymers morph into action p.48

An organic polymer exhibits a phase transition that is associated with improved electromechanical properties. This feature links organic polymers with widely used perovskite materials, and could have many applications.

doi: 10.1038/d41586-018-06865-5