Mammals and amphibians show greater intraspecific genetic diversity in the tropics compared with temperate regions.

Alterations in epigenetic markers on the X chromosome may be why males outnumber females among murine offspring bred through in vitro fertilization.

Researchers devise a technique for creating gametes from murine embryonic stem cells.

As the world inches closer to polio eradication, laboratories studying the virus will have to bolster biosafety standards. Eventually, most will need to stop working with the pathogen entirely.

Oxytocin and social contact together modulate endocannabinoid activity in the mouse brain, which could help explain the prosocial effects of marijuana use. 

Researchers identify a handful of genes that help bacteria in the mouse gut adapt to dietary changes.

Researchers find evidence of gene flow from parasitoid wasps to the butterflies and moths they lay eggs in.

High carbon dioxide levels can irreversibly rev up a cyanobacterium’s ability to fix nitrogen over the long term, a study finds.

T cells activated in the microbe-dense gut can spark an autoimmune eye disease, a study shows. 

Researchers find evidence to suggest why an enzyme crucial for fighting off malaria infection is linked to a form of lymphoma.

Researchers hope to repurpose already-approved drugs into potential anti-Ebola therapies.

Researchers are beginning to study in depth the largely uncharted territory of the eye’s microbial composition.