| 1 | Tyrannosaurus Rex may have been a cannibal, new evidence suggests. | |
| 2 | Some, like tyrannosaurus rex with its bone-crunching teeth, are obviously predators. | |
| 3 | But in the past year half a dozen new tyrannosaur species have been described, and during the past decade the known diversity of tyrannosaurs has more than doubled. | |
| 4 | The fearsome Tyrannosaurus rex was first described by scientists more than a century ago. | |
| 5 | Measurements of bones recovered from the site reveal that the new species was one hundredth the size of T-rex. |
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