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How can neurons respond to optical stimulation without genetic or structural alterations? Turns out that a thin-layer carbon sheet might do the trick.

Sugars, amino acids, and fatty acids activate distinct subsets of intestinal neurons, revealing how the gut responds to different food components.

Organoids generated from tonsils removed during surgeries provide a reliable in vitro platform to study human immune responses.

Some lipids may protect against excessive daytime sleepiness, a metabolomics study that involved thousands of people around the world suggests. 

A noninvasive approach to correcting misshapen eyeballs could expand treatment options for people with vision problems where LASIK is out of reach.

There is no cure for congenital erythropoietic porphyria, but after years of work and patient collaboration, a potential drug is on the brink of approval.

Dysregulated lipid metabolism in Alzheimer’s disease causes lipid buildup in microglia, reducing the immune cell’s ability to clear amyloid beta plaques.

Hunger doesn’t just rumble in the stomach; it sparks changes in the brain’s emotional circuits.

Single-cell analyses revealed molecular profiles that can distinguish PTSD from depression, potentially leading to better drugs for this psychiatric disorder.

An artificial womb allowed scientists to watch human and mouse embryos implant in real time, providing a way to better understand fertility and pregnancy loss.

Computational research in fruit flies revealed how spontaneously arising genes are tightly controlled, offering insights into evolution.

Synthetic biology offers a toolkit to engineer microbes capable of surviving in outer space and for biomanufacturing materials to support astronauts on long missions.