How fellow students improve your own grades

Better grades thanks to your fellow students? A study conducted by the University of Zurich's Faculty of Business, Economics and Informatics has revealed that not only the grade point average, gender and nationality peers ...

How nearby galaxies form their stars

Stars are born in dense clouds of molecular hydrogen gas that permeates interstellar space of most galaxies. While the physics of star formation is complex, recent years have seen substantial progress towards understanding ...

Prehistoric shark hid its largest teeth

Early sharks that lived 300 to 400 million years ago not only dropped their lower jaws downward but rotated them outward when opening their mouths. This enabled them to make the best of their largest, sharpest and inward-facing ...

Host genetic factors shape composition of virus communities

Plants can be infected by multiple viruses at once. However, the composition of the pathogen community varies, even if individuals belong to the same species and the same population. Ecologists at the University of Zurich ...

Central Asian horse riders played ball games 3,000 years ago

Today, ball games are one of the most popular leisure activities in the world, an important form of mass entertainment and big business. But who invented balls, where, and when? The oldest balls that are currently known about ...

Evolution in action: A new plant species in the Swiss Alps

A new plant species named Cardamine insueta appeared in the region of Urnerboden in the Swiss alps, after the land has changed from forest to grassland over the last 150 years. The inheritance of two key traits from its parent ...

New Guinea has the world's richest island flora

New Guinea is the most floristically diverse island in the world, an international collaboration led by the University of Zurich has shown. The study presents a list of almost 14,000 plant species, compiled from online catalogs ...

Predicting the biodiversity of rivers

Biodiversity is severely threatened both in Switzerland and worldwide, and numerous organisms are facing massive declines—particularly in freshwater ecosystems. All the species living in rivers—including fish, bacteria ...

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