Silent Thunder: In The Presence Of Elephants
...gether individualelephants in a complex network of relatives and acquaintances. Payne's recentlypublished book, Silent Thunder: In the Presence of Elephants, will be availablefor purchase and signing. Please call 212-769-5200 for reservations. Programcode: ED98224L Fee: $15....Inbreeding Natural Among Trees But Not Without Costs, University Of Georgia Forestry Research Shows
...l and lethal genes." Mating between close relatives increases the chances that the same "bad"genes will be provided by both parents and expressed in the offspring.Hemophilia in the British royal family is a well-known example in humans. Fewinbred trees survive to reproduce in a natural forest setting.......ges in an area where marriages betweenfirst-degree relatives are common. One, affected, dwarf couple had a son (alsoaffected), demonstrating fertility in both sexes. The height, weight, head circumference, bone maturation and bloodpressure of the group were significantly below normal. The mean height o......ow that the fossil record for marsupials and their relatives stretches into the Mesozoic Era, known as the Age ...ials, and in fact is one of the earilest marsupial relatives ever discovered. Some of the features Deltatheridium shares with modern-day marsupials include a lar...Amid Albanian Turmoil, Archaeologists Unearth Secrets Of The Stone Age
...n. It was about 8,000 years ago that modern man's relatives in the Neolithic Age are known to have grown crops and domesticated animals. A portion of the tool remnants Davis and Korkuti's team found are Mesolithic, a transitional phase prior to the advent of farming. Other Albanians on the team included Sken...Science-Based Decision Guide May Be Answer To EPA's Controversial Rule
...w to the plant species and its sexually compatible relatives and results inchanges in physical structure or form (i.e., leaves with hairsthat prevent or discourage insect attack); 3) involved in defense mechanisms expressed as a cascade of biochemical andgenetic events triggered by incompatibili...Pet Therapy Programs Help Patients In Rehab, Physical Therapy And More
...utelyincredible," says Feder "We have patients and relatives stop us in the halls andon the elevator; they all love Janie. She brings smiles to a lot of people." It's not always easy though, says Feder. "Sometimes it's tough -- we might knowwe're visiting someone who won't be there when we next visit. Janie us...Genes Boost Rice Yields On Poorest Farms
...es, but thecrossing and re-crossing of close plant relatives has resulted in a "geneticbottleneck." Paradoxically this could result in reducing plant production andrender plants more vulnerable to pests and disease. However, said McCouch, "the upland varieties of rice have very interestinggenetics" that could...Familial Cancer Syndrome Linked to Colorectal Cancer in Younger People
...ical diagnosis of HNPCC include: threefirst-degree relatives with colorectal cancer, spanning two generations, one ofwhom is less than 50 years of age at the time of diagnosis. This would exclude those with another type of inherited colorectal cancer calledFamilial Adenomatous Polyposis, a condition where pe...Largest Acoustics Meeting In History Expected
...ls Don't Have Sonar. Why do certain evolutionary relatives of dolphins--such as sea lions--completely lack sonar systems even though they live in similar environments? The reason, argues Ronald Schusterman of UC-Santa Cruz ( rjschust@cats.ucsc.edu ) and colleagues, is that sea lions and other"pinnipeds" are...Should Great Apes Be Given Legal Rights?
... declaration wouldguarantee chimps and their close relatives all the rights contained in the NewZealand proposals, plus the right to freedom from imprisonment "without duelegal process". But, says primatologist Frans de Waal of the Yerkes Regional PrimateResearch Center in Atlanta, "if you argue for ri...Gene Study Shows Turtles Are Next Of Kin To Crocodiles And Alligators
...tles, not birds, have been found to be the closest relatives of crocodilesand alligators, according to an analysis of the largest available collection ofreptile genes. The study's conclusions contradict decades of research based onanatomical and fossil studies, which had firmly positioned birds as the reptile......s can trace the origins of many of their mammalian relatives back either 65million years or 130 million years, depending on which group of scientists theychoose to trust. Now a research team led by University of Chicago paleontologistMike Foote has developed a mathematical model that could resolve this scienti...Common Prostate Cancer: A Different Process Altogether?
...r and keeps cellsfrom turning malignant. Yet close relatives of the gene, to theresearchers' surprise,act like pp32's genetic evil twins and encourage tumor growth. The pp32r1 and pp32r2 genes are present and turned on in perhaps 90 percent of the prostate cancers the team studied. "We first thought ......affected by prostatecancer and/or two first-degree relatives diagnosed with prostate cancer by age60. Participants included men with and without prostate cancer and selected women,all of whom were asked to fill out questionnaires and donate blood samples forDNA analysis. Of each family that participated, blood...New Genetic Findings In Attention Deficit Hyperactivity
...h of smalleffect. The increased risk in 1st degree relatives is 5-6, suggesting thatrelative risks at individual loci will be small. Pharmacological and biochemicalstudies have suggested that dopaminergic and nor-adrenergic systems areinvolved. Using a sample of affected children and their parents the authors ...Earliest Modern Tree Lived 360-345 Million Years Ago
...mposium on Archaeopteris. The ancient tree and its relatives have been central to Scheckler's research formore than 30 years, since he spent summers as a graduate student searching roadcuts and quarries for traces of Devonian-age plants as New York State builthighways through the Catskills. In 1998, with supp...Where the wild ones are: origins of staple crop found
...ssava, and now that it is known where the key wild relatives are, breeders can look for DNA no longer in the domesticated crop that might increase yield, protein content and provide other useful traits."...Horseshoe crab studies providing new insight into valuable ancient creatures
...e the dinosaurs. Some of their closestevolutionary relatives have been extinct for hundreds of millions of years.But while countless other species have come and gone, the horseshoe crabhas survived and is of great importance. At the end of May and during June, hundreds of thousands of theseprehistoric creature...Molecular biologists prune branches from the animal family tree
...kbones are on the same branch asstarfish and their relatives -- a longstanding classification based on similaritiesin development. But the new tree reorganizes almost all of the remaining groupsof animals. Animals that molt, such as crustaceans, insects, roundworms, andpriapulids, now sit together on a second ...