Duke Primate Center Sets October Expedition To Find 'Juliet'
...nemies, theycan produce from five to 10 times more offspring that survive to adulthoodthan wild animals normally can." The outlook for diademed sifakas in the wild is especially grim, becauselogging operations in the Madagascar jungles where they live are rapidlydepleting their habitat. These same logging ope...Researchers Find Genetic Clues To Intestinal Disease
.... In addition, the disease was more serious in the offspring than in the parent for 15 of the 27 Hopkins pairs. And in 13 of those pairs, the affected parent was the father. In the studies published in Gastroenterology, the Hopkins team reported that amongfamilies of 60 patients, 86 percent of the families had...Siblicide In Nature: Study Of Galapagos Seabird Finds Death Can Ensure Species Survival
...ring but making short-term sacrifices of their own offspring for long-term gain," he said. "This is more compli...bies you have now, but the total number of healthy offspring over the long term. "When you have more young in a brood than you can care for well, it may pay to ...New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...eosinte -- the only kind then known -- was a later offspring ratherthan an ancestor. Archeological evidence in...um and Zea diploperennis crosses. Since fertile offspring implies genetic similarities among plants, Eubanksbelieved her experiments rekindled the notion that...First Salmonella Vaccine For Poultry To Be On The Market Soon
...ity to salmonella. The immunity is transferred to offspring and eggs that people consume. The vaccine is in its final stage of testing by scientists at Megan Health Inc. in St. Louis, a company licensed by Washington University to develop and market vaccines based on technology developed by Curtiss. The U.S...Maternal Lead Exposure Linked To High Numbers Of Cavities
...in rats born ofmothers exposed to lead compared to offspring of rats not exposedto lead and found that offspring from exposed rats had 40 percentmore cavities. The study, funded by the National Institute ofDental ...Study Shows Hereditary Legacy Of Radiation Exposure
...orm of genetic mutations -- can indeedbe passed to offspring and cause health effects. Now Lynn Wiley and her...nt reduction in cell reproduction andgrowth in the offspring of mice that had been irradiated six or seven weeksbefore conception, corresponding to a sensitive s...Researchers Construct Genetic Map For Dogs
...high degree of genetic diversity and low number of offspring in human families make informative pedigrees a rarity. These diseases include cancer, epilepsy, retinal degeneration, bleeding disorders, skeletal malformations, and a host of others. Dogs represent a unique genetic resource with each of several hund...UMass Researchers Announce Birth Of Genetically Modified Cloned Calves
... Also, scientists newfound ability to endow cattle offspring with desirable genetic characteristics is being pursued as a method of producing modified cells for transplantation into human patients, according to Stice. Genetic modification may be used to reduce the chance of rejection of foreign organs, tissues...Divorce, Insect Style: Termites Swap Mates
...inal termitepair, can remain in place for years as offspring help with family duties, andone large log may host dozens of separate termite colonies. If the food runsout, termites sprout wings and look for another nitrogen-rich log to colonize. Shellman-Reeve's latest study concentrated on the first 90 minut...Emory University Fragile X Group Receives NIH Program Grant
...go that fragile Xsyndrome did not get passed on to offspring with the usual probabilities commonamong most genetic disorders. This variance from the norm was unexplained for anumber of years, hence the "paradox," until the gene was discovered and theinfluence of the expanded CGG repeat was found to be respons...Biologist Experiments With His Own Front Yard
...ows around after the act to try to insure that the offspring are his; male praying mantiseswho sometimes become a protein-rich snackfor their mate during or even prior to copulation; or aphids,who have done away with males altogether and reproduce more quickly and efficiently by simply cloningthemselves -- Alc...High Testosterone Level May Lead Male Junco To Stray From Mate
...ales, when compared to normal males, producedfewer offspring with their own mates but more offspring with the mates oftheir neighbors. The study was conducted by Samrrah Raouf, a graduate student, and...Uterine Environment Boosts Learning Ability In Mouse Offspring
...an have an enhancing effect on learning ability in offspring across a broadrange of behaviors. "The Ute...hybrid mothers. At six weeks of age, the offspring from the three groups were given aseries of behavioral tests in Dr. Denenberg's laboratory. The test...Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
...nger and left more offspring. And theytaught their offspring and others: 'This is how to cook a mastodon.' Webelieve the ultimate reason for using spices is to kill food-borne bacteria andfungi." Sherman credits Billing, a Cornell undergraduate student of biology at the timeof the research, with compiling ......iciently, they have more energy to devote to their offspring or to have more offspring. Natural selection should favor those who walk efficiently by allowing them to have either healthier babies or more of them," says Kramer. The fossil record shows australopithecines lived for nearly 3 million years. Eventu...Tiny Worm Reveals Workings Of Suspected Tumor Protein
...trains of knockoutmice takes months, the RNAi worm offspring can be analyzed a few days after theinjection, says Shi. The embryos amazed him. Normal C. elegans embryos develop for 14 hours,then they hatch. But Shi found no hatchlings after that time. Stuck inside theireggshells were balls of cells with...Extra Choline During Pregnancy Enhances Memory In Offspring
...es of an essential nutrientcalled choline produced offspring whose brain circuits were "wired" to learn andremember far more efficiently than offspring without the supplement, accordingto a study at Duke University Medical Center. Conversely, ...Among Wrens, Moms Teach Daughters To Call, Dads Teach Sons, Study Reveals
...air while up to 12 other birds -- usually previous offspring -- do not breed,but help construct the nest and feed the young. When dominant birds die, helperscompete to take their place as breeders. The UNC-CH student, a behavioral ecologist, investigated about 30 groupsof wrens. Much already was known ...