Researchers give adult zebra finches back their ability to learn new songs

We all know the adage, 'You can't teach an old dog new tricks.' As we age, our ability to learn new skills, like mastering a foreign language or picking up a musical instrument, seems to fade. The culprit? A decline in brain plasticity - the brain's capacity to rewire itself and adapt to new challenges. But what if we could rewind the clock on this age-related decline? A new study offers a tantalizing glimpse into this possibility.