Footprints on a sandy surface don't usually last long: they're washed away by water, wiped out by wind or covered over by new tracks. At certain sites in southern Africa, though, some traces of animals have lasted for many ...
Paleontology & Fossils
Aug 15, 2023
0
32
Researchers led by a team at UT Southwestern Medical Center have identified cellular and molecular features of the brain that set modern humans apart from their closest primate relatives and ancient human ancestors. The findings, ...
Evolution
Aug 10, 2023
0
90
Researchers at the Eberhard Karls University of Tübingen and colleagues in Germany have taken a closer look at the birch tar used to affix Neanderthal tools and found a much more complex technique for creating the adhesive ...
Every day, hundreds of stone artifact enthusiasts around the world sit down and begin striking a stone with special tools attempting to craft the perfect arrowhead or knife. This craft is known as flintknapping, and for most, ...
Archaeology
May 25, 2023
3
811
Most scientists agree modern humans developed in Africa, more than 200,000 years ago, and that a great human diaspora across much of the rest of the world occurred between perhaps 60,000 and 50,000 years ago.
Evolution
May 24, 2023
0
510
The course of human history has been marked by complex patterns of migration, isolation, and admixture, the latter a term that refers to gene flow between individuals from different populations. Admixture results in a blending ...
Evolution
May 19, 2023
0
868
Microorganisms—in particular bacteria—are skillful chemists that can produce an impressive diversity of chemical compounds known as natural products. These metabolites provide the microbes major evolutionary advantages, ...
Cell & Microbiology
May 6, 2023
0
27
Artifacts made of stone, bones or teeth provide important insights into the subsistence strategies of early humans, their behavior and culture. However, until now it has been difficult to attribute these artifacts to specific ...
Archaeology
May 3, 2023
0
902
The Tibetan Plateau, the highest and largest plateau above sea level, is one of the harshest environments settled by humans. It has a cold and arid environment and its elevation often surpasses 4000 meters above sea level ...
Evolution
Mar 17, 2023
0
362
The existing wildlife of a region is heavily shaped over generations by environmental factors and human activity. Activities like urbanization and hunting are known to reduce wildlife populations. However, some cultural or ...
Plants & Animals
Mar 14, 2023
0
13
