The bigger an animal gets, the harder its muscles must work just to support its weight. As a result, enormously large animals, including T. rex, have more trouble getting around than you might imagin
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
Feathers turn out to be surprisingly complicated. First, there’s the question of which animals have feathers. For centuries, people thought feathers were unique to birds. Now we know this isn’t true.
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
Melting ice sheets and sea level rise aren’t the only threats from climate change. Glaciers are also shrinking at a rapid rate. These glaciers supply water for millions of people around the globe, so
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
Construction workers in Marseille, Summer 2006. Claude Paris/AP
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
Large dinosaurs like T. Rex are the most famous creatures that went extinct some 65 million years ago. But a wide range of other species also perished around the same time.
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
How do we contribute to global warming? In most parts of the world, when we use energy, we produce CO2 emissions.
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
Researchers have long wondered about the purpose of such peculiar features. Perhaps some served to protect the animal in battle. Others might have helped a dinosaur stay cool. More recently, scientist
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
WNBC meterologist, Frank Field. NBC Newswire/AP
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
Learn about how climate changed effects the Earth’s atmosphere.
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
A chart from about 1715 shows the trade winds and other known wind patterns throughout the world. National Maritime Museum, Greenwich, London.
Educator Programs Evaluation, Research, & Policy Master of Arts in Teaching Online
