What attribute do birds need to live in harsh, unpredictable climates?
Does brain size or brain-to-body ratio affect intelligence? Not as much as you'd think.
Scientists pinpoint the gene that caused humans to evolve bigger brains than chimpanzees.
Scientists discover that species with bigger brains are better at self control and problem solving.
Our presence could be causing the brains of non-human animals to grow.
Were Neanderthals right or left handed? Learn more on this Moment of Science.