The oft-used description of early humans as "hunter-gatherers" should be changed to "gatherer-hunters," at least in the Andes of South America, according to groundbreaking research led by a University of Wyoming archaeologist.
Archaeology
Jan 24, 2024
3
3251
On an expedition to the Central Andean Plateau, researchers from the Smithsonian Tropical Research Institute (STRI) and colleagues were astounded to find a huge fossil-tree buried in the cold, grassy plain. The plant fossil ...
Earth Sciences
Aug 28, 2020
68
858
Birds that are related, such as Darwin's finches, but that vary in beak size and behavior specially evolved to their habitat are examples of a process called speciation. It has long been thought that dramatic changes in a ...
Evolution
Nov 20, 2014
643
0
High up in the high Andes mountains of Argentina, researchers have identified the first-ever evidence of a population uniquely adapted to tolerate the toxic chemical arsenic.
Evolution
Mar 3, 2015
1
1925
On Charles Darwin's 207th birthday, a new study of evolution in a diverse group of wild tomatoes is shedding light on the importance of genetic variation in plants.
Evolution
Feb 12, 2016
0
1264
Building a $400-million hydroelectric power plant in the world's most arid desert may seem like an engineering debacle, but Chile sees it as a revolutionary way to generate green energy.
Energy & Green Tech
Dec 10, 2015
38
961
Argentine paleontologists have announced the discovery of an apex-predator dinosaur that measured three stories from nose to tail and eviscerated its prey with sharp, curved claws.
Paleontology & Fossils
May 3, 2022
0
162
How did the Andes—the world's longest mountain range—reach its enormous size? This is just one of the geological questions that a new method developed by researchers at the University of Copenhagen may be able to answer. ...
Earth Sciences
Apr 13, 2023
0
97
Snow covering the Andes mountains is as clean as the Canadian Arctic, scientists said Friday after hundreds of tests to determine the presence of black carbon deposits or other pollutants.
Environment
Apr 28, 2018
6
234
Scientists have discovered a new species of lizard in a protected natural area in Cusco, southeastern Peru, national park officials said Monday.
Plants & Animals
Jan 17, 2023
0
55
