January 2, 2013
Conjugated [kon-juh-gey-tid] linoleic [li-noh-lee-ik] acids (CLA) are a family acids found mostly in the meat and dairy products derived from ruminants. CLAs can be either cis- or trans-fats.
In 1979, researchers from the University of Wisconsin applied a beef extract to mice skin. The mice were then exposed to a strong carcinogen. When the researchers counted the number of tumors developed by the mice 16 weeks later, they found to their surprise that the mice exposed to the beef extract had 20% fewer tumors. The identity of this anticarcinogen was not discovered until almost a decade later, in 1987.
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December 30, 2012
Neophobia [nee-oh-foh-bee-uh] is the fear of new things or experiences. It is also called cainophobia. In psychology, neophobia is defined as the persistent and abnormal fear of anything new. In its milder form, it can manifest as the unwillingness to try new things or break from routine.
Mild manifestations are often present in young children (who want the small portion of the world that they ‘know’ to remain constant) and elderly people (who often cope using long established habits and don’t want to learn ‘new tricks’).
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December 22, 2012
Female genital mutilation (FGM), also known as female circumcision, is defined by the World Health Organization (WHO) as ‘all procedures that involve partial or total removal of the external female genitalia, or other injury to the female genital organs for non-medical reasons.’ FGM is typically carried out on girls from a few days old to puberty. It may take place in a hospital, but is usually performed, without anaesthesia, by a traditional circumciser using a knife, razor, or scissors.
According to the WHO, it is practiced in 28 countries in western, eastern, and north-eastern Africa, in parts of the Middle East, and within some immigrant communities in Europe, North America, and Australasia. The WHO estimates that 100–140 million women and girls around the world have experienced the procedure, including 92 million in Africa. The practice is carried out by some communities who believe it reduces a woman’s libido.
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December 22, 2012
Male circumcision has often been, and remains, the subject of controversy on a number of grounds—including religious, ethical, sexual, and health related. The Ancient Greeks and Romans valued the foreskin and were opposed to circumcision – an opposition inherited by the canon and secular legal systems of the Christian West that lasted at least through to the Middle Ages. Traditional Judaism and Islam have advocated male circumcision as a religious obligation.
The ethics of circumcision are sometimes controversial. From the mid-19th century, there has been advocacy in some Anglophone countries on medical grounds, such as the prevention of masturbation and ‘reflex neurosis.’ Modern proponents argue that circumcision reduces the risks of a range of infections and diseases as well as conferring sexual benefits. In contrast, opponents, particularly of infant circumcision, often question its effectiveness in preventing disease, and object to subjecting newborn boys, without their consent, to a procedure they consider to have debatable benefits, significant risks, and a potentially negative impact on general health and later sexual enjoyment.
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December 21, 2012
Brominated [broh-muh-neyt-ed] vegetable oil (BVO) is vegetable oil that has had atoms of the element bromine bonded to it. Oil treated this way is used as an emulsifier in citrus-flavored soft drinks to help natural fat-soluble citrus flavors stay suspended in the drink and to produce a cloudy appearance. BVO has been used by the soft drink industry since 1931.
The addition of bromine increases the density of the oil, and the amount of bromine is carefully controlled to achieve a density that is the same as the water in the drink. As a result, the BVO remains suspended in the water instead of forming separate layers. Only small quantities, concentrations of 8 ppm, are needed to achieve this effect.
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December 20, 2012
Affective computing is the study and development of systems and devices that can recognize, interpret, process, and simulate human affects.
It is an interdisciplinary field spanning computer sciences, psychology, and cognitive science, which originated at MIT with Rosalind Picard’s 1995 paper on affective computing. A motivation for the research is the ability to simulate empathy. The machine should interpret the emotional state of humans and adapt its behavior to them, giving an appropriate response for those emotions.
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December 19, 2012
The Edgewood Arsenal experiments (also known as Project 112) are said to be related to or part of CIA mind-control programs after World War II, such as MKULTRA. Journalist Linda Hunt, citing records from the U.S. National Archives, revealed that eight German scientists worked at Edgewood, under Project Paperclip (the US program recruiting Nazi scientists after the war).
The experiments were performed at the Edgewood Arsenal, northeast of Baltimore, Maryland, and involved hallucinogens such LSD, THC, and BZ, in addition to biological and chemical agents. Experiments on human subjects utilizing such agents goes back to at least World War I. In the mid-1970s, in the wake of many health claims made from exposure to such agents, including psychotropic drugs administered in later experiments, the U.S. Congress began investigations of misuse of such experiments, and inadequate informed consent given by the soldiers and civilians involved.
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December 19, 2012
The term ‘autonomous sensory meridian response’ (ASMR) is a neologism for a claimed biological phenomenon, characterized as a distinct, pleasurable tingling sensation often felt in the head, scalp or peripheral regions of the body in response to various visual and auditory stimuli.
The phenomenon was first noted through internet culture such as blogs and online videos. Tom Stafford, a professor at the University of Sheffield, says ‘It might well be a real thing, but it’s inherently difficult to research.’
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December 19, 2012
Epigenetics [ep-uh-juh-net-iks] refers to non-genetic, heritable characteristics: information other than that found in DNA that can be transmitted from parent to offspring, such as in the form of methylation of DNA (molecular markers attached at several points on a strand of DNA) or histone modification (histones are protein structures that tightly pack and unpack DNA, exposing and ‘expressing’ desired genes).
Autism spectrum disorder (ASD) includes autism, Asperger disorder (high-functioning autism), childhood disintegrative disorder, and pervasive developmental disorder-not otherwise specified.
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December 19, 2012
Epigenetics [ep-uh-juh-net-iks] is the study of changes in gene activity which are not caused by changes in the DNA sequence. More specifically, epigenetics is the study of gene expression, the way genes bring about their phenotypic effects (observable characteristics or traits).
Gene expression is the process by which the heritable information in a gene, the sequence of DNA base pairs, is made into a functional gene product, such as protein or RNA. The basic idea is that DNA is ‘transcribed’ into RNA, which is then ‘translated’ into proteins (which make many of the structures and all the enzymes in a cell or organism).
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December 19, 2012
Autism friendly means awareness of social engagement and environmental factors affecting people on the autism spectrum, with modifications to communication methods and physical space to better suit individual’s unique and special needs. Individuals on the autism spectrum take in information from their five senses as do neurotypical people, but they are not able to process it as quickly and can become overwhelmed by the amount of information that they are receiving and withdraw as a coping mechanism.
They may experience difficulty in public settings due to inhibited communication, social interaction or flexibility of thought development. Knowing about these differences and how to react effectively helps to create a more inclusive society. It also better suits the needs of the growing number of individuals with autism, Asperger syndrome (high functioning autism), or other disorders on the autism spectrum.
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December 19, 2012
Autism [aw-tiz-uhm] is a neurological disorder characterized by a profound withdrawal from contact with people, repetitive behavior, and fear of change in the environment. The emotional disorder affects the brain’s ability to receive and process information.
People who have autism find it difficult to act in a way that other people think is ‘normal,’ and they find it difficult to talk to other people, to look at other people, and often do not like being touched by other people. A person who has autism seems to be turned inwards. They may talk only to themselves, rock themselves backwards and forwards, and laugh at their own thoughts. They do not like any type of change and may find it very difficult to learn a new behavior like using a toilet or going to school.
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The Daily Omnivore 