In mammals, the distinction between male and female at the chromosomal level is due to the X and Y chromosomes. Typically, females have two X chromosomes (XX) while males have an X and a Y chromosome (XY). The Sry gene on ...
Plants & Animals
Nov 28, 2022
0
81
Two decades after having described a new Anaconda species based on morphological characteristics, a team guided by David Tarknishvili succeeded in extracting DNA from some old, pre-existing tissue samples. They used these ...
Plants & Animals
Nov 21, 2022
0
1635
Two spinner dolphins died from toxoplasmosis after becoming infected with the parasite Toxoplasma gondii, according to researchers at the University of Hawaiʻi at Mānoa Health and Stranding Lab. One dolphin was stranded ...
Ecology
Nov 18, 2022
0
25
While the physical differences between humans and non-human primates are quite distinct, a new study reveals their brains may be remarkably similar. And yet, the smallest changes may make big differences in developmental ...
Evolution
Nov 8, 2022
1
110
A team of researchers affiliated with multiple institutions in Turkey, working with one colleague from Austria and two from Sweden, has found evidence via genetic analysis of a blend of demographics in Neolithic people living ...
A new method to study the proteins released by cells, which could lead to the development of new tools to track diseases including cancer, has been developed by scientists at the Francis Crick Institute and Imperial College ...
Cell & Microbiology
Oct 25, 2022
0
48
Research on decomposition often focuses on environmental factors like temperature or humidity, but researchers at the University of Tennessee in Knoxville have taken a closer look at contributions from the inside of the body. ...
Ecology
Sep 22, 2022
0
211
Tissue-based diagnosis of diseases relies on the visual inspection of biopsied tissue specimens by pathologists using an optical microscope. Before putting the tissue sample under a microscope for inspection, special chemical ...
Biochemistry
Aug 29, 2022
0
43
Inside a living cell, proteins and other molecules are often tightly packed together. These dense clusters can be difficult to image because the fluorescent labels used to make them visible can't wedge themselves in between ...
Bio & Medicine
Aug 29, 2022
0
138
A team of researchers affiliated with multiple institutions in the U.S., has found that dolphins living in the area where the Deepwater Horizon oil spill occurred have experienced changes in gene activity. In their paper ...
