Night shift workers who took melatonin supplements before sleeping during the day showed signs of improved DNA repair, according to a new randomized controlled trial published in Occupational & Environmental Medicine.
When it comes to helping NASA scientists better understand the effects of space travel on the human body, fruit flies are the heavyweights of experiments in NASA home page.
Stephan Riesenberg et al, Robust prediction of synthetic gRNA activity and cryptic DNA repair by disentangling cellular CRISPR cleavage outcomes, Nature Communications (2025).
Scientists have uncovered a critical role for rapid DNA repair in maintaining genome stability ... In this way, the DNA repair machinery serves as a molecular "gatekeeper." ... "These DNA repair pathways are conserved in animals and fungi," says Prof.