Now RNA can glow in the cell, as only proteins could in the past.

Cut off a newt’s tail or a leg, or remove a lens from its eye, and it grows back. However, whether newts can continue to do this throughout their lives, or lose the ability as they get older, has remained a mystery. 

Researchers find that newts are capable of regenerating body parts well into old age.

Editor’s Choice in Neuroscience

Tagging antibodies with rare earth metals instead of fluorescent molecules turns a veteran technique into a high-throughput powerhouse.

Editor’s choice in Ecology

Epigenetic perturbations could jump-start heritable variation.

Editor’s Choice in Developmental Biology

Have researchers found the seat of urination control in a primitive brain region?

Editor's Choice in Immunology

Using the strongest molecular binding partnership in biology to separate different cell types.