Volume 554 Number 7690

Editorials

The serendipity test p.5

Scientists often herald the role of chance in research. A project in Britain aims to test the popular idea with evidence.

doi: 10.1038/d41586-018-01405-7

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Regeneration writ large p.34

The assembly of genome sequences for the flatworm Schmidtea mediterranea and the salamander Ambystoma mexicanum will provide insights into the remarkable regenerative characteristics of these two organisms.

doi: 10.1038/d41586-017-09008-4

A rude awakening from tumour cells p.35

In women who have had breast cancer, drug treatments are often stopped five years after removal of the primary tumour. A meta-analysis shows that these individuals are still at risk of relapse.

doi: 10.1038/d41586-018-01140-z

Reactive carbon species tamed for synthesis p.36

A highly reactive form of carbon, known as a carbyne, holds great promise for organic synthesis, but has been difficult to prepare. Reactions that produce carbyne equivalents now unleash this synthetic potential.

doi: 10.1038/d41586-018-01308-7

A non-tailed twist in the viral tale p.38

Microscopy studies indicate that the most common viruses in the sea lack a tail structure. However, most cultured marine viruses have tails. A family of these elusive non-tailed marine viruses has now been identified.

doi: 10.1038/d41586-018-00923-8

Pollen weighs in on a climate conundrum p.39

Simulations by climate models show that Earth warmed during the Holocene epoch, whereas ocean sedimentary cores suggest that global cooling occurred. An analysis of fossil pollen samples now sides with the models.

doi: 10.1038/d41586-018-00943-4

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