Post List

  • December 8, 2014
  • 06:50 PM
  • 87 views

Don't miss out! Dogs Science from November

by Cobb & Hecht in Do You Believe In Dog?

Catch up! Participate! Plan your conferences for 2015! Check out all the latest in canine science from November here, thanks to the magic of Storify (if you don't see a beautiful array of handy snippets below, please click this link to view)[View the story "Do You Believe in Dog? [01-30 November 2014]" on Storify]Further reading: Cobb M., Paul McGreevy, Alan Lill & Pauleen Bennett (2014). The advent of canine performance science: Offering a sustainable future for working dogs, Behaviour........ Read more »

  • December 8, 2014
  • 04:46 PM
  • 64 views

Electroreception in Mammals

by beredim in Strange Animals



The duck-billed platypis is one of the handful
mammals with the ability to sense electrical fields
By TwoWings, via Wikimedia Commons

Electroreception is the biological ability to perceive natural electrical stimuli or in simpler words, the ability to perceive the world via electricity.



Electroreception is quite common in aquatic or amphibious animals, since water is a much better conductor... Read more »

Scheich, H., Langner, G., Tidemann, C., Coles, R., & Guppy, A. (1986) Electroreception and electrolocation in platypus. Nature, 319(6052), 401-402. DOI: 10.1038/319401a0  

Pettigrew JD. (1999) Electroreception in monotremes. The Journal of experimental biology, 202(Pt 10), 1447-54. PMID: 10210685  

Czech-Damal NU, Liebschner A, Miersch L, Klauer G, Hanke FD, Marshall C, Dehnhardt G, & Hanke W. (2012) Electroreception in the Guiana dolphin (Sotalia guianensis). Proceedings. Biological sciences / The Royal Society, 279(1729), 663-8. PMID: 21795271  

  • December 8, 2014
  • 03:13 PM
  • 95 views

Scientists find a hormone that makes you fatter

by Gabriel in Lunatic Laboratories

Our waistlines are expanding, it’s no secret that around the world despite rampant hunger people are also getting fatter. While there are many things that are contributing to this — our increased food security, the cost of food, fast food, the increasing sugar supplied in food, etc — there are other theories as to why we are getting so heavy. Scientists have pointed towards bacteria, gut microbiota, and many other causes for our increased weight, now add to that list a common hormone that ........ Read more »

  • December 8, 2014
  • 02:39 PM
  • 62 views

EBOV VP40 and Vesiculation: role of Phosphatidylserine

by thelonevirologist in Virology Tidbits

Ebola Virus (EBOV) is a filamentous negative strand ssRNA virus of about 19kb in size causing viral hemorrhagic fever in humans with a fatality rate of 60-90% transmitted by contact with infected animals, particular via the consumption of bush meat and maybe contaminated fruits as well as body fluids from patients. Although experimental drugs (e.g. ZMapp) and vaccines are available, current treatment focuses on treating the symptoms as well as preventing the spread of the disease by contact trac........ Read more »

Panchal RG, Ruthel G, Kenny TA, Kallstrom GH, Lane D, Badie SS, Li L, Bavari S, & Aman MJ. (2003) In vivo oligomerization and raft localization of Ebola virus protein VP40 during vesicular budding. Proceedings of the National Academy of Sciences of the United States of America, 100(26), 15936-41. PMID: 14673115  

S. D. Dowall, V. A. Graham,K. Corbin-Lickfett, C. Empig, K. Schlunegger, C. B. Bruce,1 L. Easterbrook,1 and R. Hewson. (2014) Effective Binding of a Phosphatidylserine-Targeting Antibody to Ebola Virus Infected Cells and Purified Virions. Journal of Immunology Research. info:/

Stahelin RV. (2014) Could the Ebola virus matrix protein VP40 be a drug target?. Expert opinion on therapeutic targets, 18(2), 115-20. PMID: 24283270  

  • December 8, 2014
  • 01:02 PM
  • 84 views

Crows

by Janet Kwasniak in Neuro-patch

I think it is time to look at crows again. There are three interesting papers want to commented on. What reminds me of crows is that I stumbled across a few years old blog by a linguist (he has probably changed his tune – so no references) who ridiculed the idea that birds were at […]... Read more »

  • December 8, 2014
  • 10:47 AM
  • 62 views

Oxford plots from the gibbon genome paper

by Mary in OpenHelix

A while back I talked about the software in the gibbon genome paper. I went through to try to pull out as much of the software as I could as sort of a catalog of a representative genome project. Of course, there was a lot in there. Some of it, though, consisted of unpublished code. […]... Read more »

Carbone Lucia, R. Alan Harris, Sante Gnerre, Krishna R. Veeramah, Belen Lorente-Galdos, John Huddleston, Thomas J. Meyer, Javier Herrero, Christian Roos, Bronwen Aken.... (2014) Gibbon genome and the fast karyotype evolution of small apes. Nature, 513(7517), 195-201. DOI: http://dx.doi.org/10.1038/nature13679  

  • December 8, 2014
  • 08:02 AM
  • 84 views

Climate Change: Heatwaves and Poverty in Pakistan

by Jalees Rehman in The Next Regeneration

In the summer of 2010, over 20 million people were affected by the summer floods in Pakistan. Millions lost access to shelter and clean water, and became dependent on aid in the form of food, drinking water, tents, clothes and medical supplies in order to survive this humanitarian disaster. It is estimated that at least $1.5 billion to $2 billion were provided as aid by governments, NGOs, charity organizations and private individuals from all around the world, and helped contain the devastating ........ Read more »

  • December 8, 2014
  • 06:59 AM
  • 113 views

Standard Model at the horizon

by Marco Frasca in The Gauge Connection

Hawking radiation is one of the most famous effects where quantum field theory combines successfully with general relativity. Since 1975 when Stephen Hawking uncovered it, this results has obtained a enormous consideration and has been derived in a lot of different ways. The idea is that, very near the horizon of a black hole, a […]... Read more »

V. B. Bezerra, H. S. Vieira, & André A. Costa. (2013) The Klein-Gordon equation in the spacetime of a charged and rotating black hole. Class. Quantum Grav. 31 (2014) 045003. arXiv: 1312.4823v1

H. S. Vieira, V. B. Bezerra, & C. R. Muniz. (2014) Exact solutions of the Klein-Gordon equation in the Kerr-Newman background and Hawking radiation. Annals of Physics 350 (2014) 14-28. arXiv: 1401.5397v4

Giovanni Collini, Valter Moretti, & Nicola Pinamonti. (2013) Tunnelling black-hole radiation with $φ^3$ self-interaction: one-loop computation for Rindler Killing horizons. Lett. Math. Phys. 104 (2014) 217-232. arXiv: 1302.5253v4

Marco Frasca. (2009) Exact solutions of classical scalar field equations. J.Nonlin.Math.Phys.18:291-297,2011. arXiv: 0907.4053v2

Marco Frasca. (2013) Scalar field theory in the strong self-interaction limit. Eur. Phys. J. C (2014) 74:2929. arXiv: 1306.6530v5

Marco Frasca. (2014) Hawking radiation and interacting fields. arXiv. arXiv: 1412.1955v1

  • December 8, 2014
  • 05:39 AM
  • 87 views

Mind-blowing Brain Cases: The Man Who Hears Colours

by elisabeth buhl thubron in United Academics

The human brain has been described as ‘the most complex thing we have yet discovered in the universe’. In this series neuroscientist Elisabeth Buhl Thubron takes a closer look at intriguing brain cases that revolutionised the field. This week: Neil Harbisson... Read more »

  • December 8, 2014
  • 04:45 AM
  • 88 views

Significantly shorter leukocyte telomere length in childhood autism

by Paul Whiteley in Questioning Answers

"These results provided the first evidence that shorter leukocytes telomere length is significantly associated with childhood autism." So said the results reported by Zongchang Li and colleagues [1] (open-access) based on quite a well-powered study (for an initial research foray anyway) looking at "110 autism patients (male 98 and female 12) and 129 healthy controls (male 98 and female 31)".On the behalf of scientists everywhere, I am ashamed to count you amongst us.Quite a good introductio........ Read more »

  • December 8, 2014
  • 03:14 AM
  • 82 views

Why evaluating scientists by grant income is stupid

by Dorothy Bishop in bishopblog

Several UK universities explicitly use research funding as a criterion for hiring and firing scientists. I argue this is stupid because it damages (a) staff wellbeing, (b) the institution's reputation and (c) the progress of science. ... Read more »

  • December 8, 2014
  • 03:06 AM
  • 69 views

We have a new trial on orthodontic retention!

by Kevin OBrien in Kevin OBrien's Orthodontic Blog

Orthodontic retention, we have a new trial! In this post I am going to return to the subject of orthodontic retention and review a new study on retention methods.  This is an update on a previous post.  With the addition of this paper I think that we are beginning to build on our knowledge of […]
The post We have a new trial on orthodontic retention! appeared first on Kevin O'Brien's Orthodontic Blog.
... Read more »

  • December 8, 2014
  • 02:58 AM
  • 62 views

Estimates of Anthropogenic Nitrogen in the Ocean May Be High

by Wiley Asia Blog in Wiley Asia Blog - Life Sciences

Inundation of nitrogen into the atmosphere and terrestrial environments, through fossil fuel combustion and extensive fertilization, has risen tenfold since preindustrial times according to research published in Global Biogeochemical Cycles. Excess nitrogen can infiltrate water tables and can trigger extensive algal blooms that deplete aquatic environments of oxygen, among other damaging effects.

Although scientists have extensively studied the effects of excess nitrogen in terrestrial habita........ Read more »

Altieri, K., Hastings, M., Peters, A., Oleynik, S., & Sigman, D. (2014) Isotopic evidence for a marine ammonium source in rainwater at Bermuda. Global Biogeochemical Cycles. DOI: 10.1002/2014GB004809  

  • December 8, 2014
  • 12:05 AM
  • 69 views

Athletes Rely on Athletic Trainers for Social Support Following Injury

by Jane McDevitt in Sports Medicine Research (SMR): In the Lab & In the Field

More than 80% of injured college athletes reported social support from their athletic trainers during their recovery, and athletes reporting higher levels of satisfaction with the social support from their athletic trainers were less likely to report depression or anxiety at return to play.... Read more »

  • December 7, 2014
  • 01:16 PM
  • 108 views

Study suggests lefties actually earn less

by Gabriel in Lunatic Laboratories

Much has been thrown at left-handed people—they are quick to anger, quickly scared and, with the exception of heads of state, are more or less life’s losers. There was even a time where left handedness was “beaten out” of children in school. Conversely, there have been much bestowed upon left-handed people—they are creative and score highly on certain tests. Obviously, scientists need to rely on more than popular notions to make connections, if any, between left-handed people and succe........ Read more »

  • December 7, 2014
  • 11:23 AM
  • 103 views

Synthetic gene circuits with a memory!

by EE Giorgi in CHIMERAS

Imagine having a USB port in the body that we could use to insert a "flash drive" and transfer genetic data, therapies, or monitoring devices. The flash drive would have to be some kind of removable biological entity that has no problem getting in and out of the body. If you think about it, bacteria are the perfect candidates to be such devices. So, what if bacteria could be used as storage for genetic memory? This is not so far-fetched if you think that recent studies have shown for example tha........ Read more »

Ausländer D, Ausländer S, Charpin-El Hamri G, Sedlmayer F, Müller M, Frey O, Hierlemann A, Stelling J, & Fussenegger M. (2014) A synthetic multifunctional mammalian pH sensor and CO2 transgene-control device. Molecular cell, 55(3), 397-408. PMID: 25018017  

  • December 7, 2014
  • 11:08 AM
  • 93 views

Novel Psittacine Adenovirus Responsible for Potentiating Zoonotic Psittacosis Outbreak: Emerging Co-Infections

by Pranab Chatterjee in Scepticemia

A novel adenovirus potentiates the species jump of Chlamydophila psittaci from birds to man, causing atypical pneumonia (psittacosis). Viruses, in addition to jumping the species barrier themselves, now are helping other bacteria to do the same: is this the beginning of the age of microbes?... Read more »

  • December 7, 2014
  • 06:48 AM
  • 60 views

Social Pain, Physical Pain: Different After All?

by Neuroskeptic in Neuroskeptic_Discover

In a paper just published, a group of neuroscientists report that they've changed their minds about how the brain processes social pain. Here's the paper: Separate neural representations for physical pain and social rejection



The authors are Choong-Wan Woo and colleagues of the University of Colorado, Boulder. Woo et al. say that, based on a new analysis of fMRI brain scanning data, they've found evidence inconsistent with the popular theory that the brain responds to the 'pain' of social... Read more »

Woo CW, Koban L, Kross E, Lindquist MA, Banich MT, Ruzic L, Andrews-Hanna JR, & Wager TD. (2014) Separate neural representations for physical pain and social rejection. Nature Communications, 5380. PMID: 25400102  

  • December 7, 2014
  • 03:23 AM
  • 96 views

Building the Best Computer

by Viputheshwar Sitaraman in Draw Science

The American spy/intelligence agency, IARPA, is working to address the shortcomings of existing supercomputers through its program, C3.... Read more »

Holmes, D., Ripple, A., & Manheimer, M. (2013) Energy-Efficient Superconducting Computing—Power Budgets and Requirements. IEEE Transactions on Applied Superconductivity, 23(3), 1701610-1701610. DOI: 10.1109/TASC.2013.2244634  

  • December 6, 2014
  • 02:19 PM
  • 96 views

Mapping the spinal circuitry to fight phantom pain

by Gabriel in Lunatic Laboratories

Pain typically has a clear cause–but not always. When a person touches something hot or bumps into a sharp object, it’s no surprise that it hurts. But for people with certain chronic pain disorders, including fibromyalgia and phantom limb pain, even a gentle caress can result in agony and for some — like my sister — the pain can be almost never ending.... Read more »

Duan B, Cheng L, Bourane S, Britz O, Padilla C, Garcia-Campmany L, Krashes M, Knowlton W, Velasquez T, Ren X.... (2014) Identification of Spinal Circuits Transmitting and Gating Mechanical Pain. Cell, 159(6), 1417-1432. PMID: 25467445  

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