In which type of competition did mounted medieval knights fight with blunted weapons, a word Jeopardy! also uses for contests among its champions?

If something is described as effervescent, it has a lot of what? If you walk on grass in the early morning, you might step on which tiny water drops condensed from the air? If your actions are open to public scrutiny, you're said to be living in which glass enclosure? Which "Home Improvement" star wrote the 1996 book "I'm Not Really Here"? In 1094, which Spanish warrior seized Valencia, a Muslim stronghold, and ruled it until his death in 1099? In 1224, which Italian saint's 40 days of fasting are said to have brought on the stigmata? In 1540, members of Francisco Vázquez de Coronado's expedition became the first Europeans to see which Arizona natural… In 1589, which scientist was made professor of mathematics at the University of Pisa, only to have his contract not ren…