Wrapping a memory with an experience, capacity for recollection detected in non-human species
...cesses. With familiarity, previous encounters are not recalled. For instance, if you encounter someone ...ng" that person may be weak or strong, but it does not include details of previous encounters. ROC analyses show that familiarity manifests itself as a co...Adaptive changes in the genome may provide insight into the genetics of complex disease
...y selected individuals youwould find that they are not identical, but on average contain differencesevery...t that discovery, Akey said, because the bodywould not only need to be tolerant to lactose but also be able to absorb thecalcium. The lead author of the pa...Reducing allergens in the home helps inner-city children with asthma
... "We wanted this to have a long-term impact, not just for the duration of the study," Dr. Gruchalla...ures to decrease the roach population things like not leaving food uncovered and caulking obvious cracks in the wall." Interventions also include...New research suggests link between maternal diet and childhood leukemia risk
...th a control group of 138 women whose children did not have cancer. The children of all the women in the ...so studied the use of vitamin supplements, but did not find a statistically significant link to childhood leukemia risk. A growing number of scien...New genetic hypothesis for the cause of autism
...gnosis than fraternal twins. However, experts have not yet identified the specific genetic components rel...plex model for genetic malfunction that may or may not include an altered DNA sequence. Where the DNA sequence is intact, the researchers believe that gene...Sandia experiments may reduce possibility of future water wars
...er Ron Pate, "Disputes over water are possible, if not likely, causes for war in the 21st century." Ec...er are factors in hydroponic greenhouses, which do not require high-quality arable land to function in the first place. Hydroponic greenhouses recent...A new protein is discovered to play a key role in cancer progression
...ukemia, continue to grow unchecked because they do not respond to a signal to die and stop proliferating ... signaling disruption of the normal cell cycle has not been fully understood. For the first time, scientists at Memorial Sloan-Kettering Cancer Center have...Viral suspect for amphibian decline traced to human spread through bait
...in which it could be moving around, and whether or not it can jump between species," Collins said. The sa... its original Midwestern host populations is still not known, but it is lethal to tiger salamanders in the wild in the west. "Bait stores collect their an...UCLA molecular biologists uproot the tree of life
...n the Sept. 9 issue of the journal Nature . "It's not a tree; it's actually a ring of life," said James ...fusion of two prokaryotes -- a life form that does not have a cellular nucleus -- created the first eukaryote," Lake said. "There have been theories, but w...News tips from the Journal of Neuroscience
...onal recovery. Without L1.1, brainstem neurons did not regenerate spinal axons or form functional synapses, and normal constant swimming behavior was nearly abolished. 2. Getting the attention of motion-sensitive neurons : Attentional modulation of motion integration of individual neurons in the mid...Screen siblings, parents of infants with severe heart abnormalities
...s Children's Hospital. At present, specialists do not recommend screening of close relatives of these ch...syndrome means that the left side of the heart did not develop properly and cannot adequately pump blood to the rest of the body.In their study, Belmont an...Pneumococcal vaccine reduces ear infections, pneumonia, new study shows
...te a decline in all pneumococcal-related diseases, not just invasive disease, in children aged younger than 2 years since the introduction of pneumococcal conjugate vaccine in the United States," Poehling and colleagues wrote in the journal....New evidence of radiation risk in childhood leukaemia
...y recently been recognised that ionising radiation not only increases mutation rates in the exposed somat... in unexposed offspring of irradiated male mice do not return to the mutation rates seen in unexposed individuals but are maintained at levels similar to t...Extreme stretch-growth of axons
...nal structure." These extreme rates of growth are not consistent with the current understanding of the l...atural stretch-growth in axons. "We know that it's not tension on the neuron itself, but tension on the axon," says Smith. "It's deformation, a pulling on ...Fossils reveal direct link between global warming and genetic diversity in wildlife
... less than 1,000 years ago. That means gophers are not getting any fresh, new genes from somewhere outsid...have today about how populations are connected may not be how it actually persists through time." The study also has implications for wildlife managers in ...Heart gene yields insights into evolution, disease risk
...ks had the positive selection for the gene variant not occurred. The researchers, led by Duke University ...t it means to be human. And that this variation is not just harmful mutation but really a process that contributes to the health of populations." Such stud...Common cold virus can cause polio in mice when injected into muscles
...oxsackie A21 receptor, called ICAM-1, and they did not have the poliovirus receptor. Still, when the mice were injected with Coxsackievirus, it initiated infection through the ICAM-1 receptor, and caused symptoms of polio. The manner in which the mice were infected with Coxsackievirus facilitated its unu...Genetic map of important tree genes outlined
...arated plant species via genetic engineering would not produce novel characteristics, but simply modify existing genetic characteristics, he said. Just as Arabidopsis is the most commonly studied plant in the world with respect to molecular genetics, poplar is the most commonly studied tree, Strauss sa...Research suggests unborn children may be at risk from environmental pollution
...ry alone. The causes of leukaemia in children are not well understood and the reasons for the increasing incidence are unknown. This is the driving force behind the conference Childhood leukaemia: incidence, causal mechanisms and prevention which is being hosted by CHILDREN with LEUKAEMIA, Britain's l...Recent evolution at a single gene may have brought down heart disease risk in some human groups
...s toll would be much greater had natural selection not shifted the frequency of susceptibility genes over...equency in the ancient European population, though not elsewhere. The rapid increase, which is estimated to have begun around 24,000 years ago, is attribut...