Volume 560 Issue 7716



News Features

News & Views

Peptide secretion triggers diabetes p.33

An autoimmune attack on cells that make the hormone insulin causes type 1 diabetes. A mouse study reveals that pancreatic-cell release of insulin peptide fragments into the bloodstream triggers this harmful process.

doi: 10.1038/d41586-018-05710-z

The origin of blue diamonds p.35

The mystery of where blue diamonds get their colour from has been solved — and reveals a geochemical pathway from Earth’s surface to the lower mantle.

doi: 10.1038/d41586-018-05830-6

An unexpected trigger for calorie burning in brown fat p.38

The molecule succinate, which is a product of metabolism, promotes heat production and therefore calorie burning in brown fat in mice. This discovery could have implications for combating obesity in humans.

doi: 10.1038/d41586-018-05619-7