A person's mere presence in a room can add 37 million bacteria to the air every hour -- material largely left behind by previous occupants and stirred up from the floor -- according to new research by Yale University engineers.
Other
Mar 28, 2012
4
0
In various vertebrate species, including fish, amphibians, reptiles, birds and mammals, the DMRT1 gene is a master sex regulator, working to develop and maintain 'maleness' -either the sex cells (or germline) into testis ...
Evolution
Dec 6, 2016
0
351
CRISPR-Cas9, the "genetic scissors," creates new potential for curing diseases, but treatments must be reliable. In a new study, researchers have discovered that the method can give rise to unforeseen changes in DNA that ...
Biotechnology
Feb 2, 2022
0
79
A protein complex prevents the repair of genome damage in human cells, in mice and in the nematode Caenorhabditis elegans, a team of researchers at the University of Cologne has discovered. They also successfully inhibited ...
Cell & Microbiology
Mar 23, 2023
0
196
After the oil is extracted from corn germ meal, the corn germ is typically fed to poultry and other livestock animals. But a new, value-added use could be on tap for this “leftover,” thanks to studies by an Agricultural ...
Materials Science
Sep 1, 2009
3
0
Mucosal epithelia do not have any receptors on the outer membrane for the absorption of viruses like hepatitis C, herpes, the adenovirus or polio, and are thus well-protected against pathogenic germs. However, certain viruses, ...
Cell & Microbiology
Jul 21, 2011
0
0
(PhysOrg.com) -- Most people consider hair as a purely cosmetic part of their lives. To others, it may help uncover one of nature’s best-kept secrets: the body’s ability to regenerate organs. Now, new research from Rockefeller ...
Feb 6, 2009
1
0
The Y chromosome is a symbol of maleness, present only in males and encoding genes important for male reproduction. But a new study has shown that live mouse progeny can be generated with assisted reproduction using germ ...
Biotechnology
Jan 28, 2016
3
492
The key to giving whole wheat bread a more appetizing aroma and taste may lie in controlling the amounts of a single chemical compound that appears in the bread, which nutritionists regard as more healthful than its refined ...
Biochemistry
Jan 9, 2013
3
0
A little-known ocean-dwelling creature most commonly found growing on dead hermit crab shells may sound like an unlikely study subject for researchers, but this animal has a rare ability—it can make eggs and sperm for the ...
Plants & Animals
Feb 13, 2020
0
105
