Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...
Evolution
Apr 30, 2012
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2
(Phys.org)—Murdoch University DNA scientists have used 30,000-year-old faecal matter known as middens to ascertain which plants and animals existed at that time in the hot, arid Pilbara region of North Western Australia.
Biotechnology
Nov 16, 2012
1
0
Evolution is often perceived as being a "directional" or "adaptive" process. We often think of species evolving to become stronger or faster, or to have sharper teeth, for example. And we tend to see this as being inherently ...
Evolution
Feb 5, 2015
0
12
Acoustic beam shaping with high degrees of freedom is critical for ultrasound imaging, acoustic regulation, and stimulation. The ability to fully regulate the acoustic pressure profile relative to its propagation path remains ...
A new Tel Aviv University study suggests that the genetic profiles of two extinct mammals with African ancestry—woolly mammoths, elephant-like animals that evolved in the arctic peninsula of Eurasia around 600,000 years ...
Evolution
Apr 8, 2019
1
594
Stress is common among teachers, and recent reports suggest it's getting worse. We need to understand the sources of this stress to improve support for teachers. Growing teacher shortages in Australia underscore the need ...
Education
Jun 3, 2022
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24
The fossil record tells us about ancient life through the preserved remains of body parts like bones, teeth and turtle shells. But how to study the history of soft tissues and organs, which can decay quickly, leaving little ...
Evolution
Jul 1, 2022
2
434
The DNA profile of Ted Bundy, one of the United States' most notorious serial killers, was uploaded Friday into a national database in the hope that the new material will help solve murder cases that have gone cold over the ...
Biotechnology
Aug 7, 2011
0
0
Researchers have proposed a new model for the evolution of higher brain functions and behaviors in the Hymenoptera order of insects. The team compared the Kenyon cells, a type of neuronal cell, in the mushroom bodies (a part ...
Plants & Animals
May 5, 2023
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666
(PhysOrg.com) -- With the full release of Chrome 1.0 in December, Google has just released Chrome 2.0 alpha that brings many noticeable improvements over Chrome 1.0. With this new alpha release of Chrome 2.0, the browser ...
