Giant Ice Age species including elephant-sized sloths and powerful sabre-toothed cats that once roamed the windswept plains of Patagonia, southern South America, were finally felled by a perfect storm of a rapidly warming ...
Archaeology
Jun 17, 2016
6
363
Although closely related to the notorious carnivore Tyrannosaurus rex, a new lineage of dinosaur discovered in Chile is proving to be an evolutionary jigsaw puzzle, as it preferred to graze upon plants.
Archaeology
Apr 27, 2015
0
947
Minuscule, fossilized pieces of plants could tell a detailed story of what the Earth looked like 50 million years ago.
Earth Sciences
Jan 15, 2015
0
454
Molecular clocks—based on changes in genetic material—indicate much younger ages for a wide variety of plants found as fossils in southern Argentina than do the solid, geologic dates of those fossils, according to geoscientists ...
Paleontology & Fossils
Dec 2, 2014
2
0
Until a few decades ago, there were no beavers in Patagonia. That changed when 20 pairs of the tree-chewing creature were introduced with the hopes of creating a fur industry.
Ecology
Nov 6, 2014
1
0
Soils of southern South America, including Patagonia, have endured a high frequency of disturbances from volcanic eruptions, earthquakes, landslides, and erosion. In addition, massive fires in the mid-20th century were set ...
Ecology
Jan 23, 2014
0
0
Today in Australia they call it Kauri, in Asia they call it Dammar, and in South America it does not exist at all unless planted there; but 52 million years ago the giant coniferous evergreen tree known to botanists as Agathis ...
Paleontology & Fossils
Jan 9, 2014
0
1
When monkeys landed in South America 37 or more million years ago, the long-isolated continent already teemed with a menagerie of 30-foot snakes, giant armadillos and strange, hoofed mammals. Over time, the monkeys forged ...
Plants & Animals
Jan 3, 2014
2
0
Several major companies issued a joint call Wednesday for the United States to enact legislation to battle climate change, saying that the issue was critical to their businesses.
Environment
Apr 10, 2013
1
0
For the past four decades scientists have monitored the ebbs and flows of the icefields in the southernmost stretch of South America's vast Andes Mountains, detecting an overall loss of ice as the climate warms. A new study, ...
Earth Sciences
Sep 5, 2012
8
0
