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DK Science: Body Temperature

Solar panelsTemperature controlHeat regulationIdeal body temperatureFuzzy raptorScientists cannot agree whether dinosaurs were coldblooded or warm-blooded. Cold-blooded animals, such as reptiles,…

DK Science: Brains & Intelligence

As smart as a cassowary?Brain to body weightDinosaur brain power relative to a crocodile’sHow intelligent were dinosaurs? It is difficult to know how smart dinosaurs were because their brains…

DK Science: Changing Faces

Down from the treesFierce, but fluffyOut of the swampNo one has ever seen a living dinosaur, so scientists rely on fossil remains to provide clues to how these ancient reptiles looked and behaved…

DK Science: Classification

Scientists have developed various systems of classification to describe living things. The one used here is a cladogram, which is a diagram that shows the relationship between different species of…

DK Science: Computer Reconstruction

Dinosaur on screenRebuilt in 3-DToday computers are used in all aspects of dinosaur study. In the field, fossil sites can be mapped and plotted using electronic measuring devices. In the laboratory…

DK Science: Dating Fossils

Dating a dinosaur skeletonRock layers of a cliff faceIndex fossilsRadiometric datingThe Age of Dinosaurs was so many millions of years ago that it is very difficult to date exactly. Scientists use…

DK Science: Death & Disease

Deadly embraceCannibalCancerous growthLife expectancyFew dinosaurs reached old age. These creatures were constantly at risk from the environment and from other animals. Many dinosaur species are…

DK Science: Defence

Sprint from dangerBlending inClub tailWhip tailArmoured jacketThe dinosaur world was not over-run by gangs of vicious killers. Most dinosaurs were peaceful creatures that never attacked anything.…

DK Science: Digestive Systems

Carnivore’s serrated toothCarnivore’s jaws for tearingCarnivore’s stomachHerbivore’s toothStomach stonesOrnithopod’s stomachFeatures of a sauropod’s stomachCarnivorous and herbivorous dinosaurs are…

DK Science: Early Discoveries

Baffling boneA new word is born1822 Giant iguana1824 First described1853 First life-size models1860 First bird1878 First skeletons1880s The bone warsDinosaur fossils have been emerging from the…