The soil roundworm Caenorhabditis elegans has just 959 cells and a body that is mostly gut and reproductive organs. Yet its reproduction is similar enough to ours that scientists like Francis McNally ...

Even after 20 million years of evolutionary separation, two tiny worm species show astonishingly similar patterns in how they turn genes on and off. Scientists mapped every cell s activity during ...

Dopamine, a powerful brain chemical and neurotransmitter, is a key regulator of many important functions such as attention, experiencing pleasure and reward, and coordinating movement. The brain ...

The development of maternal egg cells is pivotal for survival—but also precarious. During meiosis, the DNA-containing chromosomes can easily be broken or lost, causing infertility, miscarriage or ...

A representation of single-cell RNA sequencing data from two species of worms, C. elegans (left) and C. briggsae (right). Each point represents a single cell, arranged such that cells from the same ...