Which wild cat is the most proficient climber?

Leopard

What classic strategy videogame has civilizations developing from the Stone Age to the Space Age? In weightlifting, the heavy discs placed on the barbell are called what? In Greece, what type of traditional bread is baked at Christmas, often containing hidden coins? Which famous tenor was part of the "Three Tenors" alongside Domingo and Carreras? The Easter Rising of 1916 sought independence for which country?