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Physicists analyze the rotational dynamics of galaxies and the influence of the mass of the photon

The rotation of stars in galaxies such as our Milky Way is puzzling. The orbital speeds of stars should decrease with their distance from the center of the…

Arms race between ant societies: Gene activity in defenders depends on invading slavemaking ants

Temnothorax americanus is a slavemaking ant found in northeastern America. These tiny social insects neither rear their offspring nor search for food…

Cell atlas of the aging lung

The lung is a highly complex organ in which a great number of very different cells have to work together to enable normal breathing and protection against…

Laser 'drill' sets a new world record in laser-driven electron acceleration

Combining a first laser pulse to heat up and “drill” through a plasma, and another to accelerate electrons to incredibly high energies in just tens of…

Going fishing in the protein pond using histones as a bait – how do cells decide how to repair their DNA?

When DNA in the cell nucleus gets damaged, our cells can resort to a variety of repair mechanisms. A recent study published in 'Nature Cell Biology', to which…

Epilepsy: Triangular relationship in the brain

During an epileptic seizure, the nerve cells fire simultaneously in a very fast rhythm – like a thunderstorm in the brain. This results in seizures. Due to…

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