Nature Outlook 

The dark universe

It’s a sobering thought: all the matter that has ever been detected accounts for a mere 4.9% of the Universe. Most of the cosmos is the dark universe, a mix of dark matter and dark energy. Both have so far proved impenetrable puzzles, but physicists young and old are intent on changing that.

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Nature is pleased to acknowledge financial support from Mars, Incorporated in producing this Outlook. The sponsor retains sole responsibility for the following messages.

Mars, Incorporated is a private, family-owned business with more than a century of history and some of the best-loved brands in the world including M&M'S®, PEDIGREE®, DOUBLEMINT® and UNCLE BEN'S®. Headquartered in McLean, VA, Mars has more than $33 billion in sales from six diverse business segments: Petcare, Chocolate, Wrigley, Food, Drinks and Symbioscience. More than 80,000 Associates across 78 countries are united by the company's Five Principles: Quality, Efficiency, Responsibility, Mutuality and Freedom and strive every day to create relationships with stakeholders that deliver growth we are proud of as a company.

This is the tenth year of Mars, Incorporated’s partnership with the Lindau Nobel Laureate Meetings. Mars hosts events at the meetings on some of the critical issues of our time with the aim to foster discussions across disciplines and capture a wide range of perspectives. Mars also supports young researchers to participate at the Lindau Nobel Laureate Meetings and collaborates with Nature to make the dialogue at Lindau accessible to a global scientific audience.

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