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.

See a developing Drosophila eye.

The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.

The same network of transcription factors may be responsible for both cleft palate and neural tube defects, according to a new study connecting mouse and human data.

A compound produced by Pseudomonas aeruginosa activates signaling pathways that prevent seeds from growing in unfavorable environments.