Parental care is a conserved and robust feature of mammalian reproductive behaviour, but is highly variable, even within individuals. Jamieson and Kohl describe the neural circuits that drive parental...

A brain fit for the 21st century is one that understands – and respects – its own bioenergetic foundations

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Why do we feel an irresistible drive to sleep after being awake for too long? A recent study led by Prof. Anissa Kempf at the Biozentrum has revealed that in fruit flies, a small set of neurons can se...

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During waking hours, a specialized set of sleep neurons in the fly brain accumulates reactive oxygen species, which eventually trigger sleep to clean up and repair the damage they do.

Abstract figure legend In neurons, variations in sleep history are accompanied by alterations in mitochondrial dynamics, including changes in size, fission and fusion events, the emergence of extra-l...

Perché dormiamo? La risposta a questa domanda rimane uno dei grandi misteri della biologia. Come scrisse il neurofisiologo Alan Rechtschaffen: «Se il sonno non avesse una funzione assolutamente vitale...

Hear the biggest stories from the world of science | 16 July 2025

Textbooks say that mitochondria exist to supply cells with energy, but experiments in fruit flies suggest they are also involved in sleep

Sleep-inducing neurons in Drosophila rely on Hyperkinetic, the β-subunit of the KV1 channel Shaker, to monitor sleep need by translating lipid peroxidation events into changes in the oxidation state of a stably bound NADPH cofactor.