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Though Calliope Joy’s disease is too far progressed to be treatable, her parents have helped other children with metachromatic leukodystrophy get access to an experimental therapy.

Two decades after a successful crowdfunding campaign, some clinical trial patients have seen improvements—but there’s still no approved treatment for the disease.

Scientists work out the specific genes and biochemical steps required for digesting the very drugs designed to kill microbes.

A new technique reveals certain neuronal connections grow larger and denser when memories are made.

An analysis of abstracts from American Geophysical Union meetings reveals that female scientists get fewer speaking opportunities than men.

Unsuccessful attempts to reproduce the results of a 2015 study reporting that C. elegans orient themselves by Earth’s magnetic field spark debate among researchers.

Immune cells targeting maternal antigens are abundant in the blood of premature infants, suggesting fetal intolerance of mom may instigate early labor.  

Contrary to some hypotheses, the organelles did not descend from any known lineage of Alphaproteobacteria, researchers find.

Directly activating a heat sensor also sensitive to capsaicin in chili peppers in the hypothalamus had the same effect as exercise.

Rather than getting a gene for its original function, a horizontal gene transfer provides the raw material for evolutionary innovation.

Drug-free environments, such as a designated ward in a hospital, might reduce the strength of selection for resistance.

Sex-deprived males seek out alcohol.