Debate unfolds over origin of grouped stones at lake's bottom
Forty feet below the surface of Lake Michigan in Grand Traverse Bay, a mysterious pattern of stones can be seen rising from an otherwise sandy half-mile of lake floor.
Forty feet below the surface of Lake Michigan in Grand Traverse Bay, a mysterious pattern of stones can be seen rising from an otherwise sandy half-mile of lake floor.
Archaeology
Feb 15, 2009
2
0
In 1999, Russian scientists famously dug a long-dead frozen woolly mammoth out of the Siberian permafrost. Other things lurking in the frozen earth may be more alive - and more dangerous. Scientists warn that global warming ...
Environment
Dec 12, 2012
1
1
Today, the Arabian Peninsula is one of the most arid regions in the world. But its climate has not always been the same, and the past has seen both greater aridity and more humidity at different points in time. As a region ...
Environment
Apr 6, 2020
0
358
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
Ancient humans deliberately collected perforated shells in order to string them together as beads, according to a study published July 8, 2020 in the open-access journal PLOS ONE by Daniella Bar-Yosef Mayer (Tel Aviv University, ...
Archaeology
Jul 8, 2020
0
245
The very first human beings originally emerged in Africa before spreading across Eurasia about 60,000 years ago. After that, the story of humankind heads down many different paths, some more well-studied than others.
Archaeology
Sep 16, 2020
0
15
Ancient DNA from Neandertals and early modern humans has recently shown that the groups likely interbred somewhere in the Near East after modern humans left Africa some 50,000 years ago. As a result, all people outside Africa ...
Evolution
Apr 7, 2021
4
109
The biomolecule diphthamide is essential for the proper formation of proteins in cells. When humans are infected with diphtheria, diphthamide is altered by the diphtheria toxin so that life-threatening complications can arise ...
Plants & Animals
Jul 15, 2022
0
79
University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover in effect, shade and found that grassy, tree-dotted savannas prevailed at most East African sites where ...
Plants & Animals
Aug 3, 2011
1
1
How did people look after their children in the Stone Age? It turns out that prehistoric parents may not have been so different to modern mums and dads. Clay vessels that have been found in Germany could have been used to ...
Archaeology
Sep 26, 2019
0
144