156: Preparing for a Wild Tiger Comeback

What does it look like when hope takes root? In Kazakhstan, thousands of newly planted trees are preparing the land for the return of wild tigers after more than 70 years, while a joyful Scottish spring tradition reminds a town how to celebrate the turning of the season together. Alongside new insights into how some brains stay sharp with age, today’s stories show that when we care for the future, renewal has a way of following.