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Volume 548 Issue 7665, 3 August 2017

The cover image shows the tracks formed as the result of a collision between two gold nuclei in the STAR experiment at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory in New York. When such heavy ions collide, they form exotic states of matter that are fluid in nature. If the two particles hit non-centrally, this fluid is predicted to have vortices. In this week’s issue, the STAR Collaboration reports experimental observation of such vortices for the first time. The team reveals that the quark–gluon plasma that results from the collision has the highest vorticity ever observed. This work could offer fresh insight into the forces that bind quarks inside a proton. Cover image: courtesy of Alex Schmah

Editorial

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World View

  • Under-exploited plants offer untold medical and economic promise that should be pursued, urges Ameenah Gurib-Fakim.

    • Ameenah Gurib-Fakim
    World View
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Seven Days

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News

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News Feature

  • In the shadow of the Large Hadron Collider, six teams are competing to answer one of the Universe’s deepest existential questions.

    • Elizabeth Gibney
    News Feature
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Comment

  • All major industrialized countries are failing to meet the pledges they made to cut greenhouse-gas emissions, warn David G. Victor and colleagues.

    • David G. Victor
    • Keigo Akimoto
    • Cameron Hepburn
    Comment
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Summer Books

  • Head up to the heights of summer reading — picked by our regular reviewers — as labs and lecture halls empty.

    • Sharon Weinberger
    • Louise Humphrey
    • Marcus Munafò
    Summer Books
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Correspondence

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Obituary

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News & Views

  • A state of matter called a quark–gluon plasma is produced in energetic collisions of heavy ions. The rotation of this plasma has been measured for the first time, providing insights into the physics of the strong nuclear force. See Letter p.62

    • Hannah Petersen
    News & Views
  • The use of state-of-the-art techniques to study neuronal activity during a navigational task involving sound stimuli broadens our understanding of how neuronal populations produce complex behaviours. See Letter p.92

    • Stephen V. David
    News & Views
  • The molecule fructose-1,6-bisphosphate, which is produced during glucose metabolism, has been shown to mediate cellular sensing of glucose deprivation through an unexpected mechanism. See Letter p.112

    • Bruce E. Kemp
    • Jonathan S. Oakhill
    News & Views
  • The nature of exoplanetary atmospheres is hotly debated. The thermal spectrum of an exoplanet called a hot Jupiter reveals the presence of an analogue of Earth's ozone layer, although its composition is unknown. See Letter p.58

    • Kevin Heng
    News & Views
  • Progress is being made in the use of personalized approaches to create both in vitro and in vivo tumour models that could be used to aid cancer drug-treatment decisions and increase our understanding of how tumours respond to therapy.

    • Rodrigo Dienstmann
    • Josep Tabernero
    News & Views
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Perspective

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Article

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Letter

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Corrigendum

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Toolbox

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Correction

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Feature

  • Work placements can offer research students real-world experience and a valuable taste of their future career.

    • Chris Woolston
    Feature
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Q&A

  • Epidemiologist finds funding opportunities in collaborations with big tech companies.

    • Virginia Gewin
    Q&A
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Futures

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Brief Communications Arising

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