The R&B hitmaker teams up with a country music legend for the latest edition of musical mashup show "Crossroads."
Bono says the group is working with the tech giant to develop a new file format that cannot be copied.
Jimmy Fallon is back with another lip sync battle, but this time he faces off against two of music's biggest names.
Higher-than-expected birth rates and longer life spans are expected to cause the world's population will soar through the end of the 21st century.
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