Social insects point to non-genetic origins of societies
... characteristics such as caste systems and complex behaviors have been thought to be traits programmed by gene...gs that we call emergent properties - colony-level behaviors or structures that can be explained by looking at interactions," Fewell said. "The one that I am mos...Women who drink may be at greater risk of cardiovascular complications than men
... heart disease than the risk noted in men by their behaviors as well as the way they handle stress." This study looked at 32 inpatient female alcoholics, abstinent for four weeks, and 16 female social drinkers. Researchers examined the participants' blood pressure, heart rate, stroke volume and vascular resis...Fruit fly pheromone receptor first ever discovered linked to specific sexual behavior
...receptors have been found, tying those to specific behaviors had remained a major challenge. "Now, we have iden...ry input and translates those signals into complex behaviors critical to reproduction and survival....Baboon fathers really do care about their kids
...amine physiological factors associated with baboon behaviors and life history by using fecal analysis to assess variations in levels of reproductive and stress hormones. Silk, meanwhile, wants to see what causes variations among the size and composition of social relationships among female baboons. "And adult ...Male baboons recognize and care for their own offspring
...ngly concluded that these apparent paternal caring behaviors are really a mating effort; that males care for the kids as an incentive for the mother to mate with them. "The reason that laboratory studies were not successful, we believe, is that they attempted to isolate one cue that the male used," said Alber...Fishing for photos of rare or unknown deep-sea creatures with an electronic jellyfish lure
... leader, "Ultimately the goal is to see animals or behaviors nobody has ever seen before." The deep sea makes u...e captured animals to the point that their natural behaviors cannot be observed in the lab. Manned submersibles and remotely operated vehicles (ROVs) can deliver...African American teen mothers have greater risk for low birth weight and premature babies
...fant birth weight was also affected by risk taking behaviors during pregnancy. Girls with a history of cigarette smoking had babies who weighed on average 110 grams less than non-smokers. Rates of cigarette smoking among blacks is typically lower than white adolescents, but is increasing and is of great concer...Non-judgmental intervention may help binge eaters overcome disorders
...es are lower for patients who completely cease the behaviors associated with their condition. In addition, the...n found to be helpful in dealing with a variety of behaviors such as weight loss, adopting an exercise program, using sunscreen and substance abuse including alc...White shark attack shows they're not man-eaters
...merous discoveries about their hunting and feeding behaviors (they feed rarely, yet can live 45 days on a single bite, and they warn away food competitors by slapping their tails) and measured their stomach temperatures (unusually warm for a fish at 75 degrees F.). It's the maintenance of that high core temper...Couch potatoes may be created in the womb, not at the dinner table
...dy had noted that the onset of the abnormal eating behaviors occurred before puberty, thus preceding the develo...search raises the intriguing possibility that some behaviors and lifestyle choices that exacerbate the metabolic syndrome in humans are an inherent part of the s...Creation of new neurons critical to antidepressant action in mice
...ts had no effect on anxiety and depression-related behaviors in the irradiated mice. For example, fluoxetine failed to improve grooming behavior, as it normally does, in animals whose behavior had deteriorated following chronic unpredictable stress. Evidence suggested that this could not be attributed to other...Early hominids may have behaved more 'human' than we had thought
...think we can extrapolate some behaviors specifically that males were cooperating more than they were competing among themselves a distinctly 'human' behavior." Larsen believes that this male cooperation is the product of ...How to make boaters slow down for manatees
...s towards manatees can shed light on their boating behaviors and can help identify potential interventions for encouraging behaviors that contribute to manatee conservation," say Richard Flamm of the Florida Marine Research Institute...Depression in African-American men may be barrier to high blood pressure control
...ive times more likely to abuse alcohol, leading to behaviors that counteract efforts to control blood pressure. The study results, published in the July issue of Annals of Behavioral Medicine, found that more than one-fourth of 190 hypertensive black men from inner-city Baltimore were at high risk for depressi...K-State professor examines connections between food, culture and psychology in new book
...tes, and there's the idea that these appetites and behaviors need to be socialized and controlled," Rappoport says. "That's why we teach children manners at an early age." As societies change, the foods that people eat and the body images they associate with status also evolve. Rappoport explains that in the 1...Finicky snails provide new clues to the evolution of coastal ecosystems
...hy is there such a sharp difference in the feeding behaviors of northern and southern populations? Do whelks born and raised in the Pacific Northwest inherit their dislike for sea mussels, or is it a learned behavior? To find out, the scientists decided to raise baby whelks in the lab using egg capsules Sanfor...Early-life environments shape development of stress behaviors and learning abilities in mice
...s maternal environments. "There were clearly some behaviors such as prepulse inhibition, a measure of the abil...e postnatal environment to shape stress-associated behaviors and cognitive performance in adulthood."...Jane Goodall to receive 2003 Environmental Citizen Award
...is recognized as the definitive work on chimpanzee behaviors and is the culmination of Jane Goodall's scientific career. Dr. Goodall has been the subject of numerous television documentaries and is featured in the large-screen format film, Jane Goodall's Wild Chimpanzees (2002), which will be shown prior to t...Exploring the sights and sounds of a deepwater coral marine protected area off Florida
...o detect the presence of specific fish species and behaviors such as courtship and spawning aggregation. If so, the system could dramatically increase monitoring capabilities at the remote reefs. The South Atlantic Fishery Management Council (SAFMC), the governing body that establishes fishing regulations, is ...Scientists observe nanosize microtubules 'treadmilling' across plant cells
... is very different, and the combination of the two behaviors 'moves' the assembled microtubule from one location to another in the cell." Organized bundles Where are the microtubules going? Time-lapse imagery revealed that an individual microtubule starts out in a random "pick-up stick" position, then tread...