How sheep grazing affects the Norwegian mountains

When animals graze, they affect the environment. They keep meadows open, their faeces fertilizes the soil, and forests yield to cultivated landscapes. But what effect does grazing have on overall biomass? Does grazing affect ...

Is dark energy even allowed in string theory?

A new conjecture is the cause of excitement in the string theory community. Timm Wrase of the Vienna University of Technology has now published his much-discussed results on recent new developments.

Broad genetic variation on the Pontic-Caspian Steppe

The genetic variation within the Scythian nomad group is so broad that it can only be explained by the group assimilating people it came in contact with. This is shown in a new study on Bronze and Iron Age genetics of the ...

Centenary of cosmological constant lambda

Physicists are now celebrating the 100th anniversary of the cosmological constant. On this occasion, two papers recently published in EPJ H highlight its role in modern physics and cosmology. Although the term was first introduced ...

Land use change has warmed the Earth's surface

Recent changes to vegetation cover are causing the Earth's surface to heat up. Activities like cutting down evergreen forests for agricultural expansion in the tropics create energy imbalances that lead to higher local surface ...

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