A giant fossil sea monster found in the Arctic had a bite that would have been able to crush a 4x4 car, according to its discoverers. Researchers say the marine reptile, which measured an impressive 15m (50ft) long, had a bite force of about 45 tonnes (33,000lbs) per square inch. The creature's partial skull was dug up last summer in the Arctic archipelago of Svalbard by a Norwegian-led team. Dubbed "Predator X", it patrolled the oceans some 147 million years ago. Its jaws may have been more powerful than those of a Tyrannosaurus rex, though estimates of the dinosaur's bite...