The fish species is separated from mammals by hundreds of millions of years of evolution, yet its seemingly primitive brain can handle many of the same elaborate visual tasks.
An analysis of the contours of more than 600 kids’ brains points to links between cerebral surface area and heritability in regions of the brain important in cognition.
Researchers injected the retinas of mice with nanoparticles that bound to photoreceptors and converted near-infrared light to green light that the animals could see.