The essence, I think, of our current understanding of humanevolution is that we should begin to look at some of these parallel groupings as cases of parallel evolution. Full article >>>
Similar selective pressures in these environments result in parallel evolution among the traits that confer reproductive isolation. There is some experimental evidence that this might occur (Kilias, et al. 1980; Dodd 1989). Full article >>>
(Date:1/7/2009)...9 A special issue of American Journal of Medical...s presents a comprehensive overview of the latest.../Hyperactivity Disorder (ADHD). The issue covers m...netics, underscoring how genetic studies of ADHD h...over its genetic origins. , ADHD is a complex co...
(Date:1/7/2009)...cket fights has been part of Chinese cultural trad...78). This ancient practice has resulted in quite a...ctitioners think make for champion fighters. "Beca...ve for the practitioners of this sport to observe ... a biology postdoctoral researcher at University o...
(Date:1/7/2009)...her and more efficient that exploits the inertia o...m of wind speed variation, according to research p...ectronics . , Wind power is being touted as a cl...be, but the wind is intermittent and so the power ...sures to smooth these power fluctuations usually i...
(Date:1/7/2009)...Currently, plant testing in the United States to d...pesticides to nontarget plants requires two tests,...the plant development and reproduction are not con...of animals. Past research conducted by the USEPA a...uction is not adequately protected with the curren...
...m has discovered the most complicated knot ever se... to the protein,s function as a rescue agent for p...he three-dimensional structure is very important t...d Peter Virnau, a postdoctoral fellow in physics a...n the Sept. 15 issue of the Public Library of Scie...
...oking affects nerve cells and alters the chemical ...ed today at the annual meeting of the Radiological...first imaging study to focus on the relationship b... said Okan Gür, M.D., from the Department of Radio...r. Gür and colleagues used proton magnetic resonan...
...s at the University of Southern California have pr...yme family that, through its ability to mutate gen...rting in the Dec. 24 online edition of Nature, a U...l" crystal structure of the Apo2 enzyme. , "Th...chanistic analysis of any of the APOBEC enzymes at...
...ors at St. Jude Children,s Research Hospital have ...tain pneumonia-causing bacteria can cause fatal he...otic therapy can contribute to this damage by incr...g bacteria. The team also demonstrated in a mouse ...udy shows that pieces of cell walls from Streptoco...