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10 Cretaceous Animals That Weren't Dinosaurs
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The dinos hog all the Cretaceous headlines. Do you have any idea what else scurried, hopped and otherwise cruised around Earth before the K-T mass extinction?
How CO2 Scrubbing Works
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CO2 scrubbing is one potential solution to reducing our emissions of carbon dioxide. Learn about CO2 scrubbing and find out what the most common processes are.
How do scientists know what's inside dinosaur eggs?
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How do scientists know what's inside dinosaur eggs? Learn about the techniques used by scientists to examine the fossilized remains of dinosaur embryos.
How Carbon Footprints Work
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While actual footprints measure size, weight and speed, carbon footprints measure how much carbon dioxide (CO2) we produce in our daily lives. Do you know how big your carbon footprint is?
Triceratops: Facts About the Life and Times of a Three-horned Dinosaur
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Triceratops - which literally means "three-horned face" - is one of the most spectacular and well-known of all dinosaurs. It shared the Cretaceous landscape with, and probably was preyed upon by, Tyrannosaurus rex.
Is natural gas a good source of energy?
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When people talk about energy and natural gas, opinions differ. Is it harmful to the environment, or the last great clean energy source?
How much power does the world consume?
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World power consumption is dominated by the world's richest countries. Learn about world power consumption and find out how much power the world consumes.
What's so special about a dinosaur named Leonardo?
science.howstuffworks.com/environmental/earth/geology/dinosaur-leonardo.htm
What's so special about a dinosaur named Leonardo? It's a fully preserved dinosaur mummy. Learn what's so special about a dinosaur named Leonardo.
Petrified Wood: A Journey From Tree to Stone
science.howstuffworks.com/environmental/earth/geology/petrified-wood.htm
Petrified wood can be found all over the world, but how is it created?
How Do Scientists Determine the Age of Dinosaur Bones?
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Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?