Title: Madonna (entertainer).
Question: When did Madonna's relationship with Carlos Leon ended?

Title: Tuvalu.
Question: What was the caste of priests in the past on Tuvalu?

Title: Biodiversity.
Question: What percentage of US drugs are derived from plants, animals, and micro-organisms?

Title: IPod.
Question:
If connected to a Windows PC when first set up, what file system will an iPod be formatted with?