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A neural pathway between the gut and the brain led to the release of dopamine when the mice ran on a wheel or treadmill, but only in the presence of a robust microbiome. 

A previously unknown kind of ribosome is responsible for folding sperm proteins, which decay before fertilization if prepared by other ribosomes.

The approach could help test hypotheses about how atypical function of the brain’s immune cells contributes to autism.

Although my time at The Scientist has drawn to a close, I am consistently surprised by science.

Researchers visualize the snake clitoris in detail for the first time, finding evidence that the organ may be evolutionarily important for snake sex.

Researchers show how a toxic therapy helped identify a mummy using preserved DNA.

The extent to which transcription is higher in tumor cells than in surrounding nontumor cells is associated with bad prognoses in several cancer types.

Inactive synapses—found on tiny neuronal projections called filopodia—are abundant in the adult brain, a mouse study suggests.

The HIV protein Nef can cause long-term genetic changes that lead to hyperreactive immune cells, according to research in human cells and mice. 

Scientists use locust brains as living biosensors to perform cancer cell breath tests.

Researchers found that the ApoA1 protein can restore ALS epithelial cell survival in vitro.

Expected increases in lightning strikes due to climate change could alter the botanical composition of tropical forests.