A problem that rendered as many as 10,000 U.S. military GPS receivers useless for days is a warning to safeguard a system that enemies would love to disrupt, a defense expert says.
Telecom
Jun 1, 2010
7
0
(PhysOrg.com) -- Cheaters may prosper in the short term, but over time they seem doomed to fail, at least in the microscopic world of amoebas where natural selection favors the noble.
Evolution
Oct 1, 2009
0
0
(PhysOrg.com) -- The wound that ultimately killed a Neandertal man between 50,000 and 75,000 years was most likely caused by a thrown spear, the kind modern humans used but Neandertals did not, according to Duke University-led ...
Archaeology
Jul 20, 2009
2
0
World War II concluded decades ago, but live mines lurking on the ocean floor still pose threats, potentially spewing unexpected geysers or releasing contaminants into the water. Experts conduct controlled explosions to clear ...
Environment
Nov 20, 2023
0
41
The hunter-gatherers who settled on the banks of the Haine, a river in southern Belgium, 31,000 years ago were already using spearthrowers to hunt their game. This is the finding of a new study conducted at TraceoLab at the ...
Archaeology
Nov 6, 2023
0
509
An international team of geoscientists, archaeologists and anthropologists has found evidence that strongly suggests an infant jawbone found in the Ethiopian highlands came from a Homo erectus child. In their study, reported ...
The results of the Chi-Nu physics experiment at Los Alamos National Laboratory have contributed essential, never-before-observed data for enhancing nuclear security applications, understanding criticality safety and designing ...
General Physics
Sep 26, 2023
0
69
Shaggy-haired, tusked pigs roam free in the woods of Germany and Austria. Although these game animals look fine, some contain radioactive cesium at levels that render their meat unsafe to eat.
Environment
Aug 30, 2023
0
41
A 300,000-year-old hunting weapon has shone a new light on early humans as woodworking masters, according to a new study.
Archaeology
Jul 19, 2023
0
1868
Many disease-causing bacteria like Streptococcus pneumoniae (S. pneumoniae) are encased in a sugar layer called the capsular polysaccharide (CPS). This layer is often essential for infections.
Cell & Microbiology
Apr 17, 2023
0
4
