Humans share over 90% of their DNA with their primate cousins. The expression or activity patterns of genes differ across species in ways that help explain each species' distinct biology and behavior.
Biotechnology
Nov 6, 2012
0
0
Bacteria can talk to each other via molecules they themselves produce. The phenomenon is called quorum sensing, and is important when an infection propagates. Now, researchers at Linköping University in Sweden are showing ...
Cell & Microbiology
Nov 6, 2012
0
0
(Phys.org)—For years, bedbugs have been turning up in sometimes odd and random places, such as subways, movie theaters, dressing rooms and schools, but scientists believed that to flourish, the insects would need more frequent ...
Plants & Animals
Nov 1, 2012
0
0
As a human fetus develops, its heart has to keep pace with the new body's ever-growing demands. Much of this is controlled by following genetic blueprints, but the embryonic heart also matures in response to the intense stresses ...
Optics & Photonics
Oct 31, 2012
0
0
How the intricate network of blood vessels forms within the brain has long fascinated biologists. Though the human brain comprises only 2 percent of body weight it receives up to 15 percent of the cardiac output through this ...
Plants & Animals
Aug 14, 2012
0
0
Synthetic platelets have been developed by UC Santa Barbara researchers, in collaboration with researchers at Scripps Research Institute and Sanford-Burnham Institute in La Jolla, Calif. Their findings are published in the ...
Materials Science
May 30, 2012
0
0
(AP) - Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were used for human sacrifice so long ...
Archaeology
May 3, 2012
3
0
Researchers at Cambridge University have shed new light on a common food poisoning bug. Using real-time video microscopy, coupled with mathematical modelling, they have changed our assumptions about Salmonella and how it ...
Cell & Microbiology
Apr 25, 2012
0
0
In the last century something unexpected happened: humans became sedentary. We traded in our active lifestyles for a more immobile existence. But these were not the conditions under which we evolved. David Raichlen from the ...
Other
Mar 22, 2012
0
0
Paul E. Johnson envisions the day when most citizens can have their blood platelets checked quickly for bacteria at a low cost. And he has created the technology that he believes can make a difference in eventually saving ...
Biochemistry
Mar 16, 2012
0
0
