More than three million children have been born as a result of assisted reproductive technologies（辅助生育技术） since the birth of the first "test tube...
Cultural views of evolution can have important ethical（道德的，伦理的） implications, says a Duke University expert on theological（神学的） and biomedical（生物医学的） ...
A new strain of mosquitoes in which females cannot fly may help curb the transmission of dengue fever（登革热） , according to UC Irvine and British scient...
A five-person team sent to evaluate（鉴定，评估） damage from the devastating magnitude-7 earthquake that struck Haiti on Jan. 12 found no surface evidence o...
Genetic interactions（相互作用） between avian（鸟类的） H5N1 influenza and human seasonal influenza viruses have the potential to create hybrid（杂种的，混合的） strains...
A team of paleontologists（古生物学者） has discovered a new dinosaur species they're calling Abydosaurus, which belongs to the group of gigantic, long-n...
Researchers have found a new oncogenic（致瘤的） signaling pathway by which the environmental toxin（毒素，毒质） arsenic（砒霜，砷） may lead to adverse（不利的，相反的） healt...
Biologists affiliated with（交往） the American Museum of Natural History and City College of the City University of New York have found that grizzly（灰色的）...
Knowing the stage of a patient's melanoma（黑素瘤，胎记瘤） is important when choosing the best course of treatment. When the cancer has progressed to the ...
Children can have strokes, and the strokes can recur（重现，再来） , usually within a month, according to pediatric（小儿科的） researchers. Unfortunately, the str...