1) The word "yesterday" contains three vowels: E, A, and A.

2) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.

3) Tiramisu, an Italian dessert, is a layered concoction of ladyfinger biscuits soaked in coffee, mascarpone cheese, and cocoa powder. It originated in the region of Veneto and is known for its creamy and indulgent flavors. Tiramisu has become a popular dessert worldwide and is often enjoyed at the end of a meal or as a sweet treat during special occasions. It combines the richness of coffee, the sweetness of mascarpone, and the texture of sponge fingers for a delightful experience.

4) The Black Lives Matter movement gained renewed momentum in 2020 following the killings of George Floyd, Breonna Taylor, and others, sparking protests and discussions on systemic racism, police reform, and social justice around the world.