Goldbeating, an age-old craft pioneered by ancient Egyptian artisans more than five millennia ago, involves the meticulous thinning of bulk gold into gossamer-like leaves. Throughout history, this intricate process has adorned ...
Nanomaterials
Aug 28, 2023
0
99
What makes humans unique? Scientists have taken another step toward solving an enduring mystery with a new tool that may allow for more precise comparisons between the DNA of modern humans and that of our extinct ancestors.
Biotechnology
Jul 16, 2021
22
6607
When the ancestors of modern humans migrated out of Africa, they passed through the Middle East and Turkey before heading deeper into Asia and Europe.
Archaeology
Oct 24, 2017
2
593
Electronic computing speeds are brushing up against limits imposed by the laws of physics. Photonic computing, where photons replace comparatively slow electrons in representing information, could surpass those limitations, ...
Optics & Photonics
Mar 27, 2013
1
0
(Phys.org) —A team of paleontologists with the Chinese Academy of Sciences in Beijing has discovered what are believed to be fossilized ovarian follicles in three birds from approximately 125 million years ago. As they ...
(Phys.org)—Beyond serving as the backbone of modern biology, DNA has come to be a molecule of great interest to engineers. That a DNA sequence will naturally bind only with a complementary sequence could make it part of ...
Condensed Matter
Feb 4, 2013
0
0
(Phys.org)—Researchers at Penn State University have developed a chemical model that mimics a possible step in the formation of cellular life on Earth four-billion years ago. Using large "macromolecules" called polymers, ...
Cell & Microbiology
Oct 14, 2012
1
0
(Phys.org)—Few modern materials have achieved the fame of silicon, a key element of computer chips and the namesake for Silicon Valley, home to some of the world's most prominent technology firms.
Nanophysics
Sep 14, 2012
5
0
(Phys.org) -- Engineers from several research organizations working together in Japan have developed a working prototype of a Mott transistor, a possible alternative to the standard silicon based field-effect transistor (FET). ...
(PhysOrg.com) -- An international team of scientists from the Max Planck Institute for Evolutionary Anthropology in Leipzig has sequenced ancient mitochondrial DNA from a finger bone found in southern Siberia. The bone is ...
Archaeology
Mar 24, 2010
0
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