Arizona State University

Since the dawn of the space age NASA and other agencies have spent billions of dollars to reconnoiter Mars—assailing it with spacecraft flybys, photo-snapping orbiters and landers nose-diving onto its surface.

Greece is joint third in the eurozone in terms of how many hours per week its residents work, as Greeks put in an average of 22.2 hours a week, according to an unpublished study by Alexander Bick of Arizona State University, Bettina Brueggemann of Ontario's McMaster University, and Nicola Fuchs-Schundeln of Frankfurt's Goethe University, revealed on Tuesday by Bloomberg.

Washington confirmed in late 2015 that the new U.S. ambassador to Serbia will be Kyle Scott, an expert on Eastern Europe and Russia.

Scott, a graduate of Arizona State University, will replace Michael Kirby whose mandate expires at the end of this month.