The challenge gets bigger as the Dominoes get smaller! Watch as 2,000 mini Dominoes (which are 80 times smaller than full size Dominoes) topple for a Guinness World Record.
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.