Post List

  • December 17, 2010
  • 04:15 AM

Low-dose aspirin may reduce bowel cancer risk

by crabsallover in Science of Healthy Long Life

reposted from 16 September 2010Even low doses of aspirin may help to prevent bowel cancer, a new study from the University of Edinburgh suggests.Previous research has shown that people who regularly take aspirin may be less likely to develop bowel cancer, but scientists are still trying to determine the most effective dose.The treatment is also n........ Read more »

Din, F., Theodoratou, E., Farrington, S., Tenesa, A., Barnetson, R., Cetnarskyj, R., Stark, L., Porteous, M., Campbell, H., & Dunlop, M. (2010) Effect of aspirin and NSAIDs on risk and survival from colorectal cancer. Gut. DOI: 10.1136/gut.2009.203000  

  • December 17, 2010
  • 03:55 AM

Passive smoking 'causes one in 100 deaths worldwide'

by crabsallover in Science of Healthy Long Life

reposted from: 29 November 2010Around 603,000 people, including 165,000 children, die each year worldwide as a result of passive smoking, according to World Health Organisation (WHO) scientists.The figures suggest that passive smoking is behind around one in 100 deaths and highlight the important role that public smoking bans can play in reduc........ Read more »

  • December 17, 2010
  • 02:56 AM

In the news this (last) month: massive neutron star

by Megan in Rigel

Left over from the explosions of massive stars, are incredibly dense and compact objects, but very little is known about their internal structure. , spinning neutron stars with powerful jets of radio emission which act something like cosmic lighthouses, are useful probes of extreme physics such as and forms of matter so dense that investigating them in laboratories on the Earth is extremely difficult.Various models of the internal structure of a neutron star have been proposed, including vari........ Read more »

Demorest, P., Pennucci, T., Ransom, S., Roberts, M., & Hessels, J. (2010) A two-solar-mass neutron star measured using Shapiro delay. Nature, 467(7319), 1081-1083. DOI: 10.1038/nature09466  

  • December 17, 2010
  • 01:40 AM

Move Over Boneworm, the Bone Snail is Taking Over

by Kevin Zelnio in Deep Sea News

You’ve all heard about the bone-eating zombie worm from hell. Yeah it was like OK, but whatever. It had its day like, you know, way back in the 2000s. Now though, all the rage is the BONE SNAIL! Yeah, that’s right the BoNe SnAiL!!! Its cooler than cool, just trust me. The Bone Snail is to . . . → Read More: Move Over Boneworm, the Bone Snail is Taking Over... Read more »

Johnson SB, Warén A, Lee RW, Kano Y, Kaim A, Davis A, Strong EE, & Vrijenhoek RC. (2010) Rubyspira, new genus and two new species of bone-eating deep-sea snails with ancient habits. The Biological bulletin, 219(2), 166-77. PMID: 20972261  

  • December 17, 2010
  • 01:40 AM

Friday Weird Science: Feeling the Vaginal Pressure, the idea of “insuck”

by Scicurious in Neurotic Physiology

You know you’ve blogged too much when you have to search yourself to check whether you’ve written something up before. I cannot BELIEVE I haven’t done this one yet! I always wonder about laboratories that study orgasm and human sexual behavior. Do people stand around looking all official at lab meetings and talk with very [...]... Read more »

  • December 16, 2010
  • 08:56 PM

Supermassive Black Holes

by The Astronomist in The Astronomist.

A black hole is a massive object with such powerful gravity that not even light may escape from it. Black holes only have three unique properties which are mass, charge, and spin. At one time black holes were a speculative phenomena, but astronomers now understand that black holes are a relatively common and important occurrence in our Universe, unfortunately the public and science fiction still seems to be in dark. There are a lot of misconceptions about black holes:If the Sun was replaced........ Read more »

Gebhardt, K., Bender, R., Bower, G., Dressler, A., Faber, S., Filippenko, A., Green, R., Grillmair, C., Ho, L., Kormendy, J.... (2000) A Relationship between Nuclear Black Hole Mass and Galaxy Velocity Dispersion. The Astrophysical Journal, 539(1). DOI: 10.1086/312840  

Genzel, R., Schödel, R., Ott, T., Eckart, A., Alexander, T., Lacombe, F., Rouan, D., & Aschenbach, B. (2003) Near-infrared flares from accreting gas around the supermassive black hole at the Galactic Centre. Nature, 425(6961), 934-937. DOI: 10.1038/nature02065  

Ghez, A., Salim, S., Weinberg, N., Lu, J., Do, T., Dunn, J., Matthews, K., Morris, M., Yelda, S., Becklin, E.... (2008) Measuring Distance and Properties of the Milky Way’s Central Supermassive Black Hole with Stellar Orbits. The Astrophysical Journal, 689(2), 1044-1062. DOI: 10.1086/592738  

  • December 16, 2010
  • 08:46 PM

Mystery pigs of tropical Asia, and capturing them on film

by Darren Naish in Tetrapod Zoology

The increasing availability of automatic cameras (known in the trade as camera traps) has been a great boon to field biologists, and to people interested generally in the documentation of obscure and elusive creatures. Many animals hardly ever photographed in living state have been documented by these tools, and quite a few taxa never photographed in living state at all have been captured by them too. A few examples of the latter include Lowe's servaline genet Genetta servalina lowei (camera........ Read more »

Groves, C., Schaller, G., Amato, G., & Khounboline, K. (1997) Rediscovery of the wild pig Sus bucculentus. Nature, 386(6623), 335-335. DOI: 10.1038/386335a0  

  • December 16, 2010
  • 04:56 PM

Managing New Invasion Risks from Biofuel Crops

by Noam Ross in Noam Ross

The search for new bGiant cane, a potential biofuel crop, is a noxious invader of streams and wetlands. Image Source: Wikipediaiofuels has effectively created an entire new category of agriculture, along with which comes a host of new management risks.  The cycles of crop growth and failure may be less well known than those of more familiar food crops, and they may be affected by new pests and disease.
A particularly worrisome area of risk associated with biofuel crops is th........ Read more »

Davis, A., Cousens, R., Hill, J., Mack, R., Simberloff, D., & Raghu, S. (2010) Screening bioenergy feedstock crops to mitigate invasion risk. Frontiers in Ecology and the Environment, 8(10), 533-539. DOI: 10.1890/090030  

  • December 16, 2010
  • 04:53 PM

What Diseases Get Researched?

by Neuroskeptic in Neuroskeptic

Dorothy Bishop (of BishopBlog) has a nice PLoS paper looking at: Which neurodevelopmental disorders get researched and why?.She took 35 "neurodevelopmental" disorders, ranging from rare genetic syndromes like Rett's, up to autism, ADHD and specific language impairment (SLI), and compared their prevalence stated in a textbook, to the number of scientific papers published about them over the past 15 years.Note that with something like Rett's, there's no question that they're problems with brain de........ Read more »

  • December 16, 2010
  • 01:10 PM

Extreme Homeopathic Delusions?

by Arunn in nOnoScience (a.k.a. Unruled Notebook)

There is a news item in today’s (Dec 16th) online edition of Times of India titled IITB team show how Homeopathy works. When directed to this news item through a group email alert, I thought it is one of those bland TOI humor column. The news item was promising to be one when it began, [...]... Read more »

  • December 16, 2010
  • 01:07 PM

Why Daughters Don’t Call Their Dads

by APS Daily Observations in Daily Observations

When women are most fertile, research has shown that they gravitate towards certain qualities such as manly faces, masculine voices and competitive abilities. However, a new study published in Psychological ... Read more »

Lieberman, D., Pillsworth, E.G., & Haselton, M.G. (2010) Kin Affiliation Across the Ovulatory Cycle: Females Avoid Fathers When Fertile. Psychological Science : a journal of the Association for Psychological Science/ APS. PMID: 21106894  

  • December 16, 2010
  • 12:00 PM

Bacterial History Found in Ancient Mud Scrolls

by Moselio Schaechter in Small Things Considered

Who hasn’t walked along a previously flooded area and seen flakes of dried mud cakes magically curled up in geometrical shapes? At times, the curls are so pronounced that they make complete scrolls. The area looks like a field of shards. No big deal, just dried mud you might say (as you reach down, tempted to pick up some pieces to play with). Au contraire, such curlicue structures, known as roll-ups, are of considerable interest to geologists. Roll-ups are sedimentary structures capped with ........ Read more »

  • December 16, 2010
  • 10:43 AM

Geminiraptor Helps Set Utah Dinosaur Record

by Brian Switek in Dinosaur Tracking

2010 has been a bumper crop year for Utah’s dinosaurs. No fewer than eight new species have been named, including the iguanodonts Hippodraco and Iguanacolossus; the ceratopsids Utahceratops, Kosmoceratops and Diabloceratops; the sauropodomorph Seitaad and the sauropod Abydosaurus. (A few other Utah dinosaurs were previewed at the 70th annual Society of Vertebrate Paleontology meeting, too, [...]... Read more »

  • December 16, 2010
  • 10:17 AM

Medical Students’ Use of Facebook for Learning

by Dr Shock in Dr Shock MD PhD

From 759 medical students from different year levels about 87% use Facebook, 55% used it daily. 25% used Facebook for educational reasons and one quarter of this group had used the Facebook group feature specifically for learning. Another 50% said they were open to using Facebook for learning in Med School.
Facebook may be used for [...]

Related posts:Social Media Use by Medical Students
What Do Med Students Think About the Dangers of Facebook?
Med Schools lack of policies for facebook and tw........ Read more »

  • December 16, 2010
  • 09:40 AM

Coastal invertebrates and climate change: evidence for risks & opportunities

by davesbrain in Dave Hubble's ecology spot

Whichever group of terrestrial invertebrates grabs your attention in Britain, it’s hard not to notice, and read about, changes in species‘ distribution with warming temperatures. Mainstream books (e.g. Smallshire & Walsh 2004) give suggestions for future vagrants and colonists to look out for, while even a cursory look at the topic gives any number of anecdotal references to invertebrates moving further north into or within Britain, including coastal species spreading inland. However, wh........ Read more »

Musolin, D.L. (2010) Range expansion of the southern green stink bug Nezara viridula (Heteroptera: Pentatomidae) in response to the rapid climate change in Japan. Het News, 4-6. info:/

Tougou, D., Musolin, D.L., & Fujisaki, K. (2009) Some like it hot! Rapid climate change promotes shifts in distribution ranges of Nezara viridula and N. antennata in Japan. Entomologia Experimentalis et Applicata, 130(3), 249-258. info:/10.1111/j.1570-7458.2008.00818.x

  • December 16, 2010
  • 08:00 AM

Do You Know Your Calories?

by Arya M. Sharma in Dr. Sharma's Obesity Notes

As I have blogged before, obesity is the physical manifestation of positive caloric balance and trying to manage your (or your clients’) weight without understanding (or teaching your clients) calories is like trying to balance your bank account without understanding money.
Just imagine wanting to balance your bank account without any concept of how much money [...]... Read more »

  • December 16, 2010
  • 07:27 AM

do gravity waves plus cmbr equal inflation?

by Greg Fish in weird things

Inflationary cosmology may be our best and most researched model for the universe’s basic mechanics, but as any physicist eager to offer his or her own theory for the cosmos’ origins will tell you, there’s little evidence of the inflation’s crucial moments. We know the universe seems to be expanding, and we know that an [...]... Read more »

Boyle, L., & Steinhardt, P. (2010) Testing Inflation: A Bootstrap Approach. Physical Review Letters, 105(24). DOI: 10.1103/PhysRevLett.105.241301  

  • December 16, 2010
  • 07:23 AM

Animal vs. Plant Protein, Adiposity and Endocrine Disruption

by ABK in Environment and Health

This looks like the second step of a tangent and I want to get back to endocrine disruption, but here is another bit of data that supports the benefits of vegetable protein. Intake of vegetable protein is negatively correlated with waist circumference and BMI. In contrast, intake of animal protein is positively correlated with waist circumference and BMI, at least in Belgians. There are a lot of questions to raise with this including the possibility that people who eat less animal protein con........ Read more »

Lin, Y., Bolca, S., Vandevijvere, S., De Vriese, S., Mouratidou, T., De Neve, M., Polet, A., Van Oyen, H., Van Camp, J., De Backer, G.... (2010) Plant and animal protein intake and its association with overweight and obesity among the Belgian population. British Journal of Nutrition, 1-11. DOI: 10.1017/S0007114510004642  

  • December 16, 2010
  • 07:00 AM

December 16, 2010

by Erin Campbell in HighMag Blog

It is natural to hypothesize that similar processes in the cell may use the same proteins to do the job. So, it is very satisfying to the scientists who identify these proteins and add another piece to the cellular puzzle.... Read more »

  • December 16, 2010
  • 06:32 AM

Going for fishing: What’s the catch?

by Debajyoti Datta in Medicine...Life

It is very unfortunate to have a leisurely activity end in a disaster. A recent case report by Inchingolo F et al. published in the Head and Face Medicine journal illustrates this. When you go for fishing, you may end up with more than what you would have bargained for; the catch may be your very own eye, or in this case, the eyelid.... Read more »

Inchingolo F, Tatullo M, Abenavoli FM, Inchingolo AD, Inchingolo AM, & Dipalma G. (2010) Fish-hook injuries: a risk for fishermen. Head , 6(1), 28. PMID: 21156039  

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