Neuroscientist Rita Levi-Montalcini began her Nobel Prize–winning work in a makeshift laboratory in Italy during the Second World War.

Elevated levels of a neurotoxin in northeastern Brazil’s drinking water and a high incidence of microcephaly in the region led scientists to look for a link, and they found one.

A zinc-sensing protein found in fruit fly intestines regulates the insect’s growth and feeding behavior.

Florence Sabin was known for her pioneering research and efforts to support women in science.

A tool for identifying jumping gene insertions in DNA sequencing data turns up possible explanations for four patients’ rare developmental disorders.

A single-cell map of C. elegans’s transcriptome during development finds cell lineages that start out genetically different and end up as cells of similar function and genetic profile.

Juvenile birds learn the length of the sounds in a song from a false memory introduced via optogenetics, instead of from real interactions with a tutor bird.

Enforcement of the Endangered Species Act will be altered, easing protections for the most critically threatened plants and animals.

Maternal care for the fish alters the structure of their developing heads.