The discovery that the adenosine derivative aids self-replication adds weight to the theory that life on Earth originated from a mixture of RNA molecules.

When different archaeal species mate, their CRISPR systems interact in ways that may influence their evolution.

Small RNA-containing particles in ginger root are found to promote the growth of beneficial bacteria and alleviate colitis in mouse guts.

Small microRNA-containing particles found in the plant can boost populations of healthy gut bacteria, and even improve colitis symptoms in mice.

Pathogens appear to steal the metal from plants using the erratic motion of microscopic particles.

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

Amputation of one limb triggers a rapid electric response that reflects the injury in the opposite one, researchers find.

The energy-producing organelles also send out parcels with antimicrobial compounds to help destroy pathogen invaders in macrophages.

Inhibiting nerve cells that produce the neurotransmitter made it harder for baby mice to recover from bouts of slowed breathing.