How many zebrafish constitute a school? 'Three,' say physicists

Physicists are also interested in fish—above all when they are researching the formation of structures. A research team from Heinrich Heine University Düsseldorf (HHU) and the University of Bristol (United Kingdom) has ...

Neutron stars could be heating up from dark matter annihilation

One of the big mysteries about dark matter particles is whether they interact with each other. We still don't know the exact nature of what dark matter is. Some models argue that dark matter only interacts gravitationally, ...

Equilibrium

Equilibrium (⇌) is the condition of a system in which competing influences are balanced. The word may refer to:

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