This week in science: T. rex footprints, solar ‘superflares,’ and benefits of reading NPRHigh school science teacher discovers rare T. Rex tracks: ‘A real pivotal moment’ ABC News – Breaking News, Latest News and VideosThese Four Giant Dinosaur Footprints Discovered in North Dakota Might Represent the First Trackway Made by an Adult T. Rex Ever Found Smithsonian MagazineScientists Make Wild 66-Million-Year-Old Discovery in North Dakota The Daily BeastT rex footprints unearthed in first-ever discovery 66 million years after creature walked the Earth Fox News