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…
First Place: $100,000 scholarship, David Lawrence Vigliarolo Bauer, 17, Hunter College High School, Bronx, N.Y., for developing a sensor for rapidly detecting individual exposure to toxic…
Impact craterDeath from spaceOther dinosaur extinction theoriesAbout 65 million years ago, at the end of the Cretaceous Period, the Earth was affected by major changes to its environment. Animal…
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…
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…
Bound for the arcticHazardous journeysTravelling as a herd provides safety in numbers because it is difficult for a hungry predator to pick out just one animal for slaughter. Group members can also…
HOW DO WE MEASURE TIME? DOES TIME BEGIN AND END? BIOGRAPHY: ALBERT EINSTEIN German, 1879–1955 RELATIVITY FIND OUT MORE
We use time to say when an event happened or how long it lasted.…
Geological timescaleTriassic period: 250–200 million years agoJurassic period: 200–145 million years agoCretaceous period: 145–65 million years agoDinosaurs roamed the planet for about 165 million…
