The California two-spot octopus can edit the RNA in its brain to produce different proteins as ocean temperatures fluctuate, a new study finds.

Art can make the brain's wiring stronger, more flexible and ready to learn, say the authors of a new book, Your Brain on Art: How the Arts Transform Us.

Mora Leeb was 9 months old when surgeons removed half her brain. Now 15, she plays soccer and tells jokes. Scientists say Mora is an extreme example of a process known as brain plasticity.