Tropical Fossils in Alaska | Geophysical Institute
Dec 4, 2025 · Paleobotanist Jack A. Wolfe of the United States Geological Survey at Menlo Park, California, has found a number of tropical rain forest fossils along the eastern Gulf of Alaska. These …
Northern Tree Habitats | Geophysical Institute
Dec 4, 2025 · Why take a chance with exotics, when native trees have proven their ability to survive? Several reasons prompt testing of foreign tree species. Human activities often create and maintain …
The secret life of red squirrels | Geophysical Institute
Nov 27, 2024 · Stan Boutin has climbed more than 5,000 spruce trees in the last 30 years. He has often returned to the forest floor knowing if a ball of twigs and moss within the tree contained newborn red …
Formerly Frosty Footing Causes Drunken Forests
Sep 21, 1995 · In a drunken forest, trees--often pipe-cleaner black spruce--tilt in all directions like a group of rowdy revelers stumbling along the street. Unlike pendulous pub patrons, drunken forests …
The largest black spruce in Alaska | Geophysical Institute
Aug 16, 2010 · The Alaska champion black spruce tree stands on the campus of the University of Alaska Fairbanks. The tree lives in a mixed forest next to large white spruce trees, mature birch and a few …
Alaska's Gift--The Pine | Geophysical Institute
Nov 6, 2025 · Greek scholars knew a great deal about pines, for these trees occupied a prominent place in the landscape. The oldest known living organism is a bristlecone pine found in California--it is over …
Burls - Geophysical Institute
Nov 20, 2025 · Burls weaken trees but do not kill them. The weakening effect, however, makes the trees vulnerable to other diseases which can kill them. Relatively little is known about burls, for several …
Tamarack -- Not A Dead Spruce | Geophysical Institute
Nov 20, 2025 · When one of these trees finds itself on a better site, however, it shows a remarkable change of pace. Individual tamarack growing in white spruce stands may achieve a size comparable …
Black Spruce | Geophysical Institute
Dec 4, 2025 · Somehow black spruce trees seem like the jackasses of the northern forests--sort of ungainly looking, ugly little beasts that somehow can survive under conditions prohibitive to the taller …
Burls and Human Cancer | Geophysical Institute
Dec 4, 2025 · The analogy of smoking's relation to cancer hardly needs mention. If this suggestion is correct, that there is similarity between the occurrence of burls and cancer, then research into what …