Finance doesn’t have to feel like a foreign language. Wall Street trader-turned-financial educator Vivian Tu @YourRichBFF helps millions of people make sense of money, breaking down complex concepts into everyday terms you can understand. She shares how she broke free from the stress of living paycheck to paycheck — and explores how we can shift power structures to give everyone a real shot at building wealth.

What can happy rats teach us about human joy? Behavioral neuroscientist Kelly Lambert describes how her team trained rats to drive tiny cars to earn treats — and noticed something surprising about how effort and anticipation affect the brain. The experiment opens new questions about how reward, agency and “behaviorceuticals” might help build resilience and support mental health. (Recorded at TEDxRVA Youth on November 9, 2025

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Many gardeners work hard to maintain clean, tidy environments … which is the exact opposite of what wildlife wants, says ecological horticulturist Rebecca McMackin. She shows the beauty of letting your garden run wild, surveying the success she’s had increasing biodiversity even in the middle of New York City — and offers tips for cultivating a garden that can be home to birds, bees, butterflies and more.