Tag: "socially" at biology news

Watching social behaviour evolve

...sm known as A-motility, they can be forced to move socially (using S-motility) by culturing them on a soft aga... be able to somehow re-evolve the ability to swarm socially on soft agar even if it lacked the pili that are absolutely necessary for the normal social swarming...

Ancestry mix may be one key to obesity

...h as it is for European-American women." Although socially many Americans identify with only one racial/ethnic group, U.S. residents are actually highly mixed. All human populations are closely related and there are very few genes that are different between any two populations. Despite this, there are sign...

Farming the tigers of the sea undermines the promise of aquaculture

...s long as it's conducted in an environmentally and socially responsible way," stated Bill Mott. "We urge governments to look more holistically at aquaculture and its effects on marine ecosystems before allowing the industry to expand."...

An eye for scent marks

...ry old urine has only marginal UV reflectance. The socially active degus use urine extensively to scent mark their communal trails and wallowing places. The researchers postulate that such scent marks represent visual as well as olfactory cues for the UV-sensitive degus (Investigative Ophthalmology & Visual S...

Lessons from abroad: United States trails Europe in dependence on renewable energy

...mpanies that agree to practice environmentally and socially responsible policies. As a result, such investment options have received the attention of the big institutional investors--pension funds with assets equal to 46% of U.S. GDP. One of these, The California Public Employees' Retirement System, (CalPers)...

Sex and gender scientists explore a revolution in evolution

...r the course of their lives, and the change can be socially controlled.'' For instance, if the sole male is removed from a group of cleaning wrasse, the largest female will start to behave like a male within hours. Within 10 days she - now he - will produce sperm. Behavior is not tied to one's chromosomes, ei...

Tribal warfare: Revenge, retaliation, deterrence

...d the hostilities. Tribal people often implement a socially regulated general system of reciprocity, including revenge, marriage and exchange of goods with a careful attempt to balance all losses and gains. Among peoples who have the least connection of kinship, there is often unbridled blood revenge and ofte...

SRS research highlights from the Red-Cockaded Woodpecker Symposium

... young. Conner's recent research suggests that the socially dominant breeding male can determine which active cavity tree produces the most resin, and adopts that tree for his roost tree. Since the longleaf pine has been shown to sustain higher yields of resin over time than loblolly and shortleaf pines, the ...

Natural or synthetic secretin does not reduce symptoms of autism, study shows

...s with a child's ability to communicate and relate socially with other people. Afflicted individuals also can have a restricted range of activities and interests, and about 75 percent of children with autism also have some form of mental retardation. The disorder is far more common than previously thought, ...

Health of American Indians on decline before Columbus arrived in new world

... It suggests that it was possible for a socially disadvantaged group to carve out a life with reasonably good health in an early 19th-century city, Steckel said. On the other hand, plantation slaves buried in a South Carolina site ...

Teen angst rooted in busy brain

... basic information, rendering them emotionally and socially inept. Robert McGivern and his team of neuroscientists at San Diego State University found that as children enter puberty, their ability to quickly recognise other people's emotions nosedives. What's more, this ability does not return to normal unti...

Families with two or more children with autism sought for $10.2 million study

...es with a child's ability to communicate or relate socially with other people. Those afflicted with autism have a restricted range of activities and interests, and about 75 percent of children with autism also have some form of mental retardation. "We are interested in what accounts for the tremendous variabi...

Study to determine if infidelity among birds an attempt to avoid inbreeding, diversify genes

...heat on their mates, that is. Molecular studies of socially monogamous birds have shown that broods often cont... the mating tactics of females of three species of socially monogamous shore birds -- western sandpipers, Kentish plovers and common sandpipers -- that are pa...

Sex and genetics: Why birds are unfaithful to their partners

... is rare in nature. Although most bird species are socially monogamous, broods often contain young that are not related to one of the parents tending the nest. This can be the result of two alternative reproductive behaviors. Extra-pair paternity occurs when females copulate with males other than their social...

Investing in environment pays off at 100-1, says paper published in Science this week

...uals will make different, more environmentally and socially beneficial decisions." Further muddying the water is a welter of perverse subsidies, widely in use around the globe, that promote ecologically damaging behaviors that don't make sense economically. For example, many governments subsidize logging...

High risk of mental health problems in adoptees from other countries

...ntry adoptees is often underestimated because of a socially established adoptive home. Professionals are advised to take seriously the concerns of adoptees and their parents and intervene with appropriate consideration of the high risk of suicidal behaviour." In an accompanying Commentary (p 423), Wun Jung Ki...

Genes, maltreatment, and the cycle of violence

... propensities for aggressive behaviors that can be socially destructive and even self-destructive. Through studies such as this one, science can help us discern just how much influence both genes and environment have on our predispositions. "Christian spirituality like the spirituality of other religious trad...

Brains of outgoing people react more to happy faces than those of shy individuals

...ghts up'' in fMRI scans when the brain processes a socially and emotionally significant image, such as the human face. Activation of the amygdala by fearful faces compared to neutral faces has been relatively consistently reported in scientific literature, Canli said. What has not been consistently found is r...

Conservation International and National Geographic Traveler announce World Legacy Awards

...mpaign to promote environmentally, culturally, and socially responsible tourism practices across a wider spectrum of the tourism industry, with the goal of protecting Earths natural and cultural heritage. Too often, tourist resorts and destinations have focused on short-term gain with little regard for the e...

Conservation International and Starbucks announce new coffee sourcing guidelines

... only be sustainable if it is economically viable, socially responsible and environmentally sensitive at all levels of the supply chain, said Orin Smith, Starbucks president and ceo. Over the past year we have been working on the sourcing guidelines and we feel they are important steps that will help increas...

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(Date:4/22/2014)... scientists have found a way to block abnormal cholesterol ... atherosclerosis, the main cause of heart attacks and strokes ... condition develops when fat builds inside blood vessels over ... reducing their ability to feed oxygen-rich blood to the ... of experiments, described April 7 in the journal ...
(Date:4/22/2014)... (SALT LAKE CITY)A computational tool developed at the University ... with unknown gene mutations in three separate cases, U ... new study in The American Journal of Human ... Re-ranking tool), identifies undiagnosed illnesses and unknown gene mutations ... proteins that code for genes are made, in individual ...
(Date:4/22/2014)... is available in German . ... of the University of Vienna and the Medical University of ... shown how double stranded RNA, such as viral genetic information, ... the immune response against viral infection, the protein ADAR1 moves ... modifies viral RNA to inhibit reproduction of the virus. But ...
(Date:4/22/2014)... influenced by low exposure to testosterone in the womb, ... men,s testosterone levels may be determined before they are ... the hormone than others is important because testosterone is ... hormone have been linked to obesity, diabetes and heart ... for producing testosterone in adults known as Leydig ...
(Date:4/22/2014)... waited in line and most of us have gotten ... like. , For Will Mather, assistant professor of ... Integrated Science Curriculum, studying lines, or queues, has been ... bottlenecks that limit the recycling of proteins. , The ... professor, has received attention from the National Science Foundation ...
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