Be Smart
How Ancient Ice Proves Climate Change Is Real
Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in our species’ history. But Earth’s climate has changed before. How do we know that this time we’re the cause? We...
SciShow
The Nuclear City Lost Under Ice | Camp Century
Hidden beneath Greenland’s ice and powered by a nuclear reactor, Camp Century made for an interesting US military base. But life under the ice came with unique struggles; and although it wasn’t mainly constructed for science, the base...
Professor Dave Explains
Applications of Dendrochronology
Now that we know a bit about what dendrochronology is and how it's done, what can it be used for? In fact, tree ring studies are highly relevant in a multitude of other fields, including archaeology, ecology, forestry, paleoclimatology,...
Curated Video
Fossils: A Journey Through Earth's Past
Fossils are preserved specimens that provide us with information about plants and animals of the past. They contribute to our understanding of evolution and the history of life on Earth. Learn about different types of fossils and how...
National Science Foundation
National Science Foundation: Alaska Mountain Glaciers Retreating Due to Climate Change
University of Maine paleoclimatologist scientists are working to reconstruct the climate history of this area over the last thousand years. They're researching the relationship between the temperatures and precipitation rates, and the...