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What was the biggest dinosaur that ever lived? Here’s how scientists make those gigantic measurements
Scientists use different methods to calculate size and weight so they don’t always agree, but judging by bones found, a good ...
Fossils of weird Mongolian dinosaur that wielded ‘big, sharp and nasty’ claws unearthed during construction project
The dinosaur, named Duonychus tsogtbaatari, measured about 10 feet (3 meters) long, weighed approximately 575 pounds (260 kg) ...