Increasing mitochondrial activity in worms by engineering a light-activated proton pump into the organelle’s membrane extends the animals’ lifespan without evidence of health decline, according to a preprint.
The roar of nearby boat engines alters how fish care for and protect their young, resulting in fewer successful nests and smaller offspring, a study finds.
The US FDA’s decision not to grant an emergency use authorization for the antidepressant as a COVID-19 treatment highlights a lack of consensus among researchers about how to interpret clinical data on the drug.
A CRISPR-based system that reverses epigenetic changes caused by adolescent binge drinking reduces adult addiction-like behaviors in rats, a study finds, suggesting that an epigenomic approach could someday help treat people with alcohol use disorder.
Researchers observe that dolphins in a pod in the Red Sea regularly rub against certain corals and sponges, perhaps to sooth their skin by prompting the invertebrates to release mucus that contains antimicrobial compounds.
An interesting but preliminary biomarker study’s reception illustrates the challenges of conducting and communicating nuanced research in the era of social media.
Though scientists don’t yet know much about it, a newly described process called erebosis might have profound implications for how the gut maintains itself.
While malaria control strategies have focused on mosquitoes’ nocturnal activity, almost one-third of bites occur while the sun is up, a new study estimates.
A sugar that’s less abundant in the blood of people with diabetes binds to SARS-CoV-2’s spike protein and disrupts the virus’s ability to fuse with cells.
Two glands increase steroid production after female California two-spot octopuses mate, a study finds. Those hormones may be responsible for the animals’ self-destructive behavior.
