C1-C2 hallás

Why Are Some People Mean, Rude, and Disrespectful? (C1)

Why Do We Struggle to Embrace Change? (C1)

Why Do Scientists Struggle to Believe in God? (C1)

Why Do Snobby People Buy Expensive Things? – Understanding the Snob Effect (C1)

Envisioning Earth in 2050: A Glimpse into the Future (C1)