Isn't it strange that we're entering a time where we choose to watch advertisements online? More than 20 million viewers sought out an ad for "Poo-pourri"– a deodorizing bathroom spray. Have viewers been duped by these advertising geniuses or do these strategies really work? We asked Ad Week digital editor Mike Shields.

One foundation has announced its plans to colonize Mars in 2025– and they want to start by taking four volunteers to go on the mission. Over 200,000 people have already signed up for the chance to move to the red planet. But there's one catch– you can never come back.

Is this mission realistic or the stuff of science fiction?

New Day Weekend sat down with Lawrence Krauss, author of "A Universe from Nothing: Why There is Something Rather than Nothing" and asked him just how feasible this mission really is.