This week in science: T. rex footprints, solar 'superflares,' and benefits of reading NPR A T. Rex Walked Here: Teacher Finds Rare Footprints in North Dakota The New York Times Scientists Make Wild 66-Million-Year-Old Discovery in North Dakota The Daily Beast High School Teacher Discovers First-Ever T. Rex Trackway on Dig, a Find That Dates Back 66.5 Million Years Yahoo News Canada Scientists Find First Adult T. Rex Trackway – And The Footprints Are Human-Sized ScienceAlert