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Did people and dinosaurs live at the same time?

No! After the dinosaurs died out, nearly 65 million years passed before people appeared on Earth. However, small mammals (including shrew-sized primates) were alive at the time of the dinosaurs.…

DK Science: Fossil Sites

DistributionUnited StatesSouth AmericaIsle of WightSahara DesertGobi DesertAustraliaAntarcticaDinosaurs lived all over the world, but their fossilized remains are not easy to find, or even,…

DK Science: Body Fossils

Almost complete skeletonDinosaur toothMissing skullMummified dinosaursPalaeontologists can have a hard time finding and identifying dinosaur fossils because they are usually embedded in stone.…

DK Science: Senses

Making noisesEye socketsBinocular vision of modern animalsBinocular vision of the dinosaursPeripheral vision of modern animalsPeripheral vision of the dinosaursPerhaps the most difficult part of…

DK Science: Examining Footprints

Measuring trackwaysIndicators of behaviourCalculating dimensionsComparing the stance of animalsRunning and walking speedsIt has been said that the footprints of a dinosaur can tell us more about…

Dinosaur Fossils (By U.S. State!)

Most people are familiar with their state’s official flower and flag, but did you know that almost every state has an official fossil as well? These state symbols are a representation of a territory…

DK Science: Biographies

Georges Louis Leclerc, Comte De Buffon 1707–1788Georges Cuvier 1769–1832Alexandre Brongniart 1770–1847William Buckland 1784–1856Gideon Mantell 1790–1852Mary Anning 1799–1847Richard Owen 1804–…

How long could a dinosaur live?

Animal lifespans relate in part to their body size and in part to their type of metabolism. Dinosaur lifespans probably varied in length from tens of years to hundreds of years. Their possible…

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: 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…