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May 01 2012
NCBI ROFL: Imitating mickey mouse can be dangerous.
“Inhaling helium to produce that amusing squeaky voice may not be the innocuous party trick it seems, according to emergency medicine physicians at the Wesley Center for Hyperbaric Medicine in Brisbane, Australia.
Simon Mitchell and colleagues report the case of a previously healthy 27-year-old man who inhaled helium and subsequently developed a stroke with transient blindness and radiographic evidence of cortical infarction. The man had inhaled the gas directly from a pressurized canister; most children who perform the trick—to imitate the voice of Mickey Mouse—inhale the gas from helium-filled balloons.
The patient developed rigidity and lost consciousness within moments of inhaling the helium. On arrival at the emergency room 15 minutes later, he regained consciousness but was found to have complete visual loss and evidence of cortical infarction.
The patient was diagnosed with a cerebral arterial gas embolism occurring after inhaling helium; he was treated with hyperbaric oxygen. His blindness resolved, and there was radiographic evidence of regression of his stroke after four cycles of treatment with hyperbaric oxygen.
The patient in this report had inhaled helium from a high pressure cylinder, causing blood vessels in his lungs to rupture and allowing the gas to gain access to ...
March 21 2012
NCBI ROFL: The face that launched a thousand ships: the mating-warring association in men.
“Questions about origins of human warfare continue to generate interesting theories with little empirical evidence. One of the proposed explanations is sexual selection theory. Within and supportive of this theoretical framework, the authors demonstrate a mating-warring association among young heterosexual men in four experiments. Male, but not female, participants exposed to attractive, as compared to unattractive, opposite-sex photographs were significantly more likely to endorse war-supporting statements on a questionnaire. The same mating effect was not found in answering trade conflict questions. Male participants primed by attractive faces or legs of young women were significantly faster in responding to images or words of war than those primed by unattractive faces or national flags. The same mating effect was not found in responding to farming concepts or general aggression expressions. Results underscore the link between mating and war, supporting the view that sexual selection provides an ultimate explanation for the origins of human warfare.”
Photo: flickr/dullhunk
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March 16 2012
NCBI ROFL: Nifty ways to leave your lover: The tactics people use to entice and disguise the process of human mate poaching.
“Although a number of studies have explored the ways that men and women romantically attract mates, almost no research exists on the special tactics people use when already in a relationship and trying to attract someone new–a process known as mate poaching enticement. In Study 1, the authors investigated the tactics people use to entice others into making mate poaching attempts. Enticement tactic effectiveness conformed to evolutionary-predicted patterns across sex and temporal context. In Study 2, the authors examined the tactics men and women use to disguise mate poaching enticement. The most effective camouflage for poaching also varied between sex in evolutionary-predicted ways, regardless of the target of deception (i.e., current partner vs. larger community). Discussion focuses on limitations of this research, future investigative directions, unexpected findings, and the utility of placing mate poaching attraction within the broader context of human sexual strategies.”
Bonus table from the full text:
Photo: flickr/denharsh
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March 12 2012
NCBI ROFL: Want your friend to think you’re hot? Ride a roller coaster together.
Love at first fright: partner salience moderates roller-coaster-induced excitation transfer.
“This study examined the effects of residual nervous system arousal on perceptions of sexual attraction. Researchers approached individuals (males, n = 165; females, n = 135) at amusement parks as they were either waiting to begin or as they had just gotten off a roller-coaster ride. Participants were shown a photograph of an average attractive, opposite-gendered individual and asked to rate the individual on attractiveness and dating desirability. Participants were also asked to rate their seatmates’ levels of attractiveness. Consistent with the predictions of excitation transfer theory, for males and females riding with a nonromantic partner, ratings of attractiveness and dating desirability toward the photographed individual were higher among persons exiting than entering the ride. Among persons riding with a romantic partner, there were no significant differences in attractiveness or dating desirability ratings between persons entering and exiting the ride. The findings are discussed in terms of the potential moderator effects of a salient romantic partner on excitation transfer.”
Photo: flickr/Flabber DeGasky
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February 15 2012
NCBI ROFL: A squamous cell carcinoma with a Saint Valentine’s Day message.
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Discoblog: NCBI ROFL: Valentine’s Day Special: Kissing right? On the consistency of the head-turning bias in kissing.
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NCBI ROFL. Real Articles. Funny Subjects.
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January 05 2012
NCBI ROFL: Naturalistic observations of beer drinking among college students.
“We observed the beer drinking behavior of 308 university students in several bar and party settings. The following relationships were found: males drinking beer in bars consumed 0.92 oz per min; females drank less beer than males, and stayed in a bar for a longer time period; patrons drank significantly more beer when drinking in groups and when purchasing beer in pitchers versus cups or bottles; and intervals between party arrival and first drink and between party departure and last drink varied inversely with blood alcohol concentration. We discuss these findings with regard to developing interventions to prevent alcohol-impaired driving.”
Photo: Flickr/.A.A.
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WTF is NCBI ROFL? Read our FAQ!
December 24 2011
NCBI ROFL: Psychosexual study of communist era Hungarian twins.
“Our aim in this study is to describe the characteristics of sexual development in twins and estimate the role of heritability and environmental factors as causes of certain sexual disorders. Two hundred and ten adult same-sex twin pairs (92 monozygotic [MZ] female, 41 MZ male, 55 dizygotic [DZ] female and 22 DZ male pairs) were involved in the study. Data were collected in 1982 by self-administered questionnaires that included items on sexual maturation, sexual life, contraception, mutual sexual activity within twin pairs and alcohol use. The ratio of married to unmarried twins was nearly the same in MZs and DZs, with the exception that the divorce rate was higher in MZ female twins (14%), and DZ and male twins were slightly more likely to be single. Menarche was later in twins compared to non-twin Hungarian women. 57% of MZs experienced menarche within 3 months of each other, 77% within 6 months while it occurred for 30% and 43% respectively in DZs. The first seminal emission indicated some delay in male twins compared with the Hungarian general population sample. MZ first kisses occurred later than DZ’s first kisses. The same was true for the first petting, masturbation ...
December 17 2011
NCBI ROFL: If I’m not hot, are you hot or not? Physical attractiveness evaluations and dating preferences as a function of one’s own attractiveness.
“Prior research has established that people’s own physical attractiveness affects their selection of romantic partners. This article provides further support for this effect and also examines a different, yet related, question: When less attractive people accept less attractive dates, do they persuade themselves that the people they choose to date are more physically attractive than others perceive them to be? Our analysis of data from the popular Web site http://HOTorNOT.com suggests that this is not the case: Less attractive people do not delude themselves into thinking that their dates are more physically attractive than others perceive them to be. Furthermore, the results also show that males, compared with females, are less affected by their own attractiveness when choosing whom to date.”
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WTF is NCBI ROFL? Read our FAQ!
September 26 2011
NCBI ROFL: Science discovers ideal mortician phone number is 1-800-CORPSES.
I 5683 you: dialing phone numbers on cell phones activates key-concordant concepts.
“When people perform actions, effects associated with the actions are activated mentally, even if those effects are not apparent. This study tested whether sequences of simulations of virtual action effects can be integrated into a meaning of their own. Cell phones were used to test this hypothesis because pressing a key on a phone is habitually associated with both digits (dialing numbers) and letters (typing text messages). In Experiment 1, dialing digit sequences induced the meaning of words that share the same key sequence (e.g., 5683, LOVE). This occurred even though the letters were not labeled on the keypad, and participants were not aware of the digit-letter correspondences. In Experiment 2, subjects preferred dialing numbers implying positive words (e.g., 37326, DREAM) over dialing numbers implying negative words (e.g., 75463, SLIME). In Experiment 3, subjects preferred companies with phone numbers implying a company-related word (e.g., LOVE for a dating agency, CORPSE for a mortician) compared with companies with phone numbers implying a company-unrelated word.”
Photo: flickr/msciba
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September 16 2011
NCBI ROFL: Ooh girl, shock me like an electric eel.
The ‘electric stroke’ and the ‘electric spark’: anatomists and eroticism at George Baker’s electric eel exhibition in 1776 and 1777.
“In 1776 and 1777 five living electric eels exhibited in London became a sensational spectacle that appealed to anatomists, electricians and connoisseurs of erotica. George Baker’s exhibition made visible the ‘electric spark’ of the electrical eel and a series of experiments were both witnessed by and participated in by members of the Royal Society and the metropolitan elite. Some participants even grasped the eels firmly in their hands and felt the ‘electric stroke’ of the eel in addition to observing the spark. In their observation of the electric eel some of these spectators transposed the vivid electric spark from the sphere of electricians and anatomists into that of satirical and erotic literature. Here the erotic electric eel proliferated in the literature and the eel took on quite different connotations that nonetheless were reliant on readers knowledge and experience of the exhibition, experiments and the preoccupations of anatomists. George Baker’s electric eel exhibition of 1776 and 1777 is then instructive in exploring the production and circulation of knowledge in Georgian Britain. The story of the electric eel in Georgian culture charts the creation of the electric spark and stroke as objects of observation and encounter, their exhibitionary context, and finally their divergent meanings as the electric eel became erotically charged for a metropolitan masculine elite.”
Photo: flickr/Doug Letterman
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September 13 2011
NCBI ROFL: Double feature: swinging and pumping techniques.
An assessment of swinger techniques for the playground swing oscillatory motion.
Much attention has been devoted to how playground swing amplitudes are built up by swinger techniques, i.e. body actions. However, very little attention has been given to the requirements that such swinger techniques place on the swinger himself. The purpose of this study was to find out whether different swinger techniques yield significantly different maximum torques, endurance and coordinative skills, and also to identify preferable techniques. We modelled the seated swinger as a rigid dumbbell and compared three different techniques. A series of computer simulations were run with each technique, testing the performance with different body rotational speeds, delayed onset of body rotation and different body mass distributions, as swing amplitudes were brought up towards 90°. One technique was found to be extremely sensitive to the timing of body actions, limiting swing amplitudes to 50° and 8° when body action was delayed by 0.03 and 0.3 s, respectively. Two other more robust techniques reached 90° even with the largest of these delays, although more time (and endurance) was needed. However, these two methods also differed with respect to maximum torque and endurance, and none was preferable in both these aspects, being dependent on the swinger goals and abilities.”
Pumping a playground swing.
“In mechanical studies of pumping a playground swing, two methods of energy insertion have been identified: parametric pumping and driven oscillation. While parametric pumping involves the systematic raising and lowering of the swinger’s center of mass (CM) along the swing’s radial axis (rope), driven oscillation may be conceived as rotation of the CM around a pivot point at a fixed distance to the point of suspension. We examined the relative contributions of those two methods of energy insertion by inviting 18 participants to pump a swing from standstill and by measuring and analyzing the swing-swinger system (defined by eight markers) in the sagittal plane. Overall, driven oscillation was found to play a major role and parametric pumping a subordinate role, although the relative contribution of driven oscillation decreased as swinging amplitude increased, whereas that of parametric pumping increased slightly. Principal component analysis revealed that the coordination pattern of the swing-swinger system was largely determined (up to 95%) by the swing’s motion, while correlation analysis revealed that (within the remaining 5% of variance) trunk and leg rotations were strongly coupled.”
Photo: flickr/terren in Virginia
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July 22 2011
NCBI ROFL: When it comes to penis length and economic growth, size does matter.
Male organ and economic growth: does size matter?
“This paper explores the link between economic development and penile length between 1960 and 1985. It estimates an augmented Solow model utilizing the Mankiw-Romer-Weil 121 country dataset. The size of male organ is found to have an inverse U-shaped relationship with the level of GDP in 1985. It can alone explain over 15% of the variation in GDP. The GDP maximizing size is around 13.5 centimetres, and a collapse in economic development is identified as the size of male organ exceeds 16 centimetres. Economic growth between 1960 and 1985 is negatively associated with the size of male organ, and it alone explains 20% of the variation in GDP growth. With due reservations it is also found to be more important determinant of GDP growth than country’s political regime type. Controlling for male organ slows convergence and mitigates the negative effect of population growth on economic development slightly. Although all evidence is suggestive at this stage, the `male organ hypothesis’ put forward here is robust to exhaustive set of controls and rests on surprisingly strong correlation”
Bonus quotes from the main text:
“Only stylized explanations ...
June 21 2011
NCBI ROFL: The tooth, the whole tooth and nothing but the tooth: how belief in the Tooth Fairy can engender false memories.
“To examine how children’s fantasy beliefs can affect memory for their experiences, 5- and 6-year-olds with differing levels of belief in the reality of the Tooth Fairy were prompted to recall their most recent primary tooth loss in either a truthful or fun manner. Many of the children who fully believed in the existence of the Tooth Fairy reported supernatural experiences consistent with the myth under both sets of recall instructions, whereas those who realized the fictionality of the myth recalled mainly realistic experiences. However, those children with equivocal beliefs evidenced a different pattern under each set of instructions, recalling mainly realistic experiences when asked to be truthful and reporting many fantastical experiences when prompted to relate the tooth loss in a fun manner. These findings suggest that children’s beliefs in the reality of fantastic phenomena can give rise to genuine constructive memory errors in line with their fantasies.”
Photo: flickr/edenpictures
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June 09 2011
NCBI ROFL: Amusing titles in scientific journals and article citation.
“The present study examines whether the use of humor in scientific article titles is associated with the number of citations an article receives. Four judges rated the degree of amusement and pleasantness of titles of articles published over 10 years (from 1985 to 1994) in two of the most prestigious journals in psychology, Psychological Bulletin and Psychological Review. We then examined the association between the levels of amusement and pleasantness and the article’s monthly citation average.
The results show that, while the pleasantness rating was weakly associated with the number of citations, articles with highly amusing titles (2 standard deviations above average) received fewer citations. The negative association between amusing titles and subsequent citations cannot be attributed to differences in the title length and pleasantness, number of authors, year of publication, and article type (regular article vs comment). These findings are discussed in the context of the importance of titles for signalling an article’s content.”
Bonus excerpt from the full text:
“Examples of Top Amusing titles that were also in the Top Pleasant titles group include: ‘Beware of a half-tailed test’, and ‘The unicorn, the normal curve, and other improbable creatures’. An example of ...
June 06 2011
NCBI ROFL: You probably think this paper’s about you: Narcissists’ perceptions of their personality and reputation.
“Do narcissists have insight into the negative aspects of their personality and reputation? Using both clinical and subclinical measures of narcissism, the authors examined others’ perceptions, self-perceptions, and meta-perceptions of narcissists across a wide range of traits for a new acquaintance and close other (Study 1), longitudinally with a group of new acquaintances (Study 2), and among coworkers (Study 3). Results bring 3 surprising conclusions about narcissists: (a) they understand that others see them less positively than they see themselves (i.e., their meta-perceptions are less biased than are their self-perceptions), (b) they have some insight into the fact that they make positive first impressions that deteriorate over time, and (c) they have insight into their narcissistic personality (e.g., they describe themselves as arrogant). These findings shed light on some of the psychological mechanisms underlying narcissism. (PsycINFO Database Record (c) 2011 APA, all rights reserved).”
Thanks to @StratusNZ for today’s ROFL!
Photo: flickr/PlingPlöng
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March 21 2011
NCBI ROFL: Manipulation of fractured nose using mallet and champagne cork.
“We describe an alternative method of manipulating fractured nasal bones using a surgical mallet and a champagne cork. This method enables accurate fracture reduction with minimal skin trauma, by affording the surgeon a high level of control. This method may be applied successfully to late-presenting fractures.”
Thanks to Ari for today’s ROFL!
Photo: flickr/Krikit ♥
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March 15 2011
NCBI ROFL: Why women like men in red cars.
Red, rank, and romance in women viewing men.
“In many nonhuman species of vertebrates, females are attracted to red on male conspecifics. Red is also a signal of male status in many nonhuman vertebrate species, and females show a mating preference for high-status males. These red-attraction and red-status links have been found even when red is displayed on males artificially. In the present research, we document parallels between human and nonhuman females’ response to male red. Specifically, in a series of 7 experiments we demonstrate that women perceive men to be more attractive and sexually desirable when seen on a red background and in red clothing, and we additionally show that status perceptions are responsible for this red effect. The influence of red appears to be specific to women’s romantic attraction to men: Red did not influence men’s perceptions of other men, nor did it influence women’s perceptions of men’s overall likability, agreeableness, or extraversion. Participants showed no awareness that the research focused on the influence of color. These findings indicate that color not only has aesthetic value but can carry meaning and impact psychological functioning in subtle, important, and provocative ways.”
February 23 2011
NCBI ROFL: Perceptions of a tattooed college instructor.
“128 undergraduates’ perceptions of tattoos on a model described as a college instructor were assessed. They viewed one of four photographs of a tattooed or nontattooed female model. Students rated her on nine teaching-related characteristics. Analyses indicated that the presence of tattoos was associated with some positive changes in ratings: students’ motivation, being imaginative about assignments, and how likely students were to recommend her as an instructor.”
Bonus figure:
"Color photocopies of four color photographs (21 cm width × 23 cm height) of a 29-yr.-old brunette woman were used (see Fig. 1). The model had either no tattoo, a tattoo of a cross, a tattoo of wire, or both the latter two tattoos... ... A large, visible, and nonfeminine tattoo was chosen in the expectation that these characteristics would be associated with larger effects on ratings."
Photo: ugliest tattoos
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February 22 2011
NCBI ROFL: This just in: best paper title of the year!
Chemical processes in the deep interior of Uranus.
“The unusual magnetic fields of the planets Uranus and Neptune represent important observables for constraining and developing deep interior models. Models suggests that the unusual non-dipolar and non-axial magnetic fields of these planets originate from a thin convective and conducting shell of material around a stably stratified fluid core. Here, we present an experimental and computational study of the physical properties of a fluid representative of the interior of Uranus and Neptune. Our electrical conductivity results confirm that the core cannot be well mixed if it is to generate non-axisymmetric magnetic fields. The molecular dynamics simulations highlight the importance of chemistry on the properties of
this complex mixture, including the formation of large clusters of carbon and nitrogen and a possible mechanism for a compositional gradient, which may lead to a stably stratified core.”
via @edyong209
Photo: flickr/John Manyjohns
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February 17 2011
NCBI ROFL: Do aggressive people play violent computer games more aggressively?
Do aggressive people play violent computer games in a more aggressive way? Individual difference and idiosyncratic game-playing experience.
“This study investigates whether individual difference influences idiosyncratic experience of game playing. In particular, we examine the relationship between the game player’s physical-aggressive personality and the aggressiveness of the player’s game playing in violence-oriented video games. Screen video stream of 40 individual participants’ game playing was captured and content analyzed. Participants’ physical aggression was measured before the game play. The results suggest that people with more physical-aggressive personality engage in a more aggressive style of playing, after controlling the differences of gender and previous gaming experience. Implications of these findings and direction for future studies are discussed.”
Photo: flickr/Rad Jose
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