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  • January 27, 2016
  • 06:50 PM

Holding Back: Inhibition

by Joshua Fisher in Text Savvy

Post moved:

I remember years ago being required to write math problems containing unnecessary information so that students would have to choose the information that they needed. But just making kids do something is not the same thing as teaching them something. It is, rather, a total cave to assessment obsession—we just found a way to call assessment "instruction".... Read more »

  • January 27, 2016
  • 12:32 PM

Technobabble 101

by AG McCluskey in Zongo's Cancer Diaries

Why are scientific articles so hard to read? Why? WHY???... Read more »

  • January 27, 2016
  • 07:33 AM

A Steak A Day Will Keep Sustainability Away

by Rita dos Santos Silva in United Academics

Meat unsustainable practices are damaging Earth's resources... Read more »

Herrero, M., Havlik, P., Valin, H., Notenbaert, A., Rufino, M., Thornton, P., Blummel, M., Weiss, F., Grace, D., & Obersteiner, M. (2013) Biomass use, production, feed efficiencies, and greenhouse gas emissions from global livestock systems. Proceedings of the National Academy of Sciences, 110(52), 20888-20893. DOI: 10.1073/pnas.1308149110  

Gorbach, S. (2001) Antimicrobial Use in Animal Feed — Time to Stop. New England Journal of Medicine, 345(16), 1202-1203. DOI: 10.1056/NEJM200110183451610  

White, D., Zhao, S., Sudler, R., Ayers, S., Friedman, S., Chen, S., McDermott, P., McDermott, S., Wagner, D., & Meng, J. (2001) The Isolation of Antibiotic-Resistant Salmonella from Retail Ground Meats. New England Journal of Medicine, 345(16), 1147-1154. DOI: 10.1056/NEJMoa010315  

Tilman, D., Cassman, K., Matson, P., Naylor, R., & Polasky, S. (2002) Agricultural sustainability and intensive production practices. Nature, 418(6898), 671-677. DOI: 10.1038/nature01014  

  • January 25, 2016
  • 12:52 PM

Zika virus and the negligence towards health research in poor countries

by Piter Boll in Earthling Nature

by Piter Kehoma Boll About a year ago, almost nobody on the whole world was aware of the existence of a virus named Zika virus and the illness it may cause in humans, the Zika fever or Zika disease. But … Continue reading →... Read more »

  • January 21, 2016
  • 03:27 PM

Anxious? Chronic stress and anxiety can damage the brain

by Dr. Jekyll in Lunatic Laboratories

A scientific review paper warns that people need to find ways to reduce chronic stress and anxiety in their lives or they may be at increased risk for developing depression and even dementia. Led by the Rotman Research Institute at Baycrest Health Sciences, the review examined brain areas impacted by chronic anxiety, fear and stress in animal and human studies that are already published.... Read more »

Mah, L., Szabuniewicz, C., & Fiocco, A. (2016) Can anxiety damage the brain?. Current Opinion in Psychiatry, 29(1), 56-63. DOI: 10.1097/YCO.0000000000000223  

  • January 20, 2016
  • 03:29 PM

Overwhelmed and depressed? Well, there may be a connection

by Dr. Jekyll in Lunatic Laboratories

Ever feel overwhelmed when you are depressed, well the good news is it isn't just you, the bad news is it's probably your brain. Regions of the brain that normally work together to process emotion become decoupled in people who experience multiple episodes of depression, neuroscientists report. The findings may help identify which patients will benefit from long term antidepressant treatment to prevent the recurrence of depressive episodes.

... Read more »

Jacobs, R., Barba, A., Gowins, J., Klumpp, H., Jenkins, L., Mickey, B., Ajilore, O., Peciña, M., Sikora, M., Ryan, K.... (2016) Decoupling of the amygdala to other salience network regions in adolescent-onset recurrent major depressive disorder. Psychological Medicine, 1-13. DOI: 10.1017/S0033291715002615  

  • January 19, 2016
  • 07:47 AM

Slowing Down The Clock

by Agnese Mariotti in United Academics

New drugs can delay aging and rejuvenate tissues.... Read more »

Chang, J., Wang, Y., Shao, L., Laberge, R., Demaria, M., Campisi, J., Janakiraman, K., Sharpless, N., Ding, S., Feng, W.... (2015) Clearance of senescent cells by ABT263 rejuvenates aged hematopoietic stem cells in mice. Nature Medicine, 22(1), 78-83. DOI: 10.1038/nm.4010  

Baker, D., Wijshake, T., Tchkonia, T., LeBrasseur, N., Childs, B., van de Sluis, B., Kirkland, J., & van Deursen, J. (2011) Clearance of p16Ink4a-positive senescent cells delays ageing-associated disorders. Nature, 479(7372), 232-236. DOI: 10.1038/nature10600  

van Deursen, J. (2014) The role of senescent cells in ageing. Nature, 509(7501), 439-446. DOI: 10.1038/nature13193  

  • January 17, 2016
  • 12:30 AM

Perplexity Is Not Required for Learning

by Joshua Fisher in Text Savvy

Post moved:

Taken at face value, the relative lack of effect of such conflicts across a broad range of studies falsifies the cognitive conflict hypothesis: The difficulty of conceptual change must reside elsewhere than in conflict, or rather the lack thereof, between misconceptions and normatively correct subject matter.... Read more »

Ramsburg, J., & Ohlsson, S. (2016) Category change in the absence of cognitive conflict. Journal of Educational Psychology, 108(1), 98-113. DOI: 10.1037/edu0000050  

  • January 15, 2016
  • 02:12 AM

Where and when did the wolf become man’s best friend?

by TakFurTheKaffe in Tak Fur The Kaffe

Did dogs become domesticated in Southeast Asia or Europe? New study challenges recent research... Read more »

Wang, G., Zhai, W., Yang, H., Wang, L., Zhong, L., Liu, Y., Fan, R., Yin, T., Zhu, C., Poyarkov, A.... (2015) Out of southern East Asia: the natural history of domestic dogs across the world. Cell Research, 26(1), 21-33. DOI: 10.1038/cr.2015.147  

  • January 14, 2016
  • 03:53 PM

Pay attention! Attention neuron type identified

by Dr. Jekyll in Lunatic Laboratories

Researchers have identified for the first time a cell type in the brain of mice that is integral to attention. Moreover, by manipulating the activity of this cell type, the scientists were able to enhance attention in mice. The results add to the understanding of how the brain's frontal lobes work and control behaviour.
... Read more »

Hoseok Kim, Sofie hedlund-Richter, Xinming Wang, Karl Deisseroth, Marie Carlén. (2016) Prefrontal Parvalbumin Neurons in Control of Attention. Cell . DOI:  

  • January 13, 2016
  • 04:44 PM

Beam me up! Teleporting the memory of an organism

by Dr. Jekyll in Lunatic Laboratories

In "Star Trek", a transporter can teleport a person from one location to a remote location without actually making the journey along the way. Such a transporter has fascinated many people. Quantum teleportation shares several features of the transporter and is one of the most important protocols in quantum information.... Read more »

  • January 12, 2016
  • 07:37 AM

Two Steps to Self-control

by Gunnar De Winter in United Academics

When it comes to cognitive control, we know that the basics are already present in young children but that the ability increases throughout adolescence. How does that happen? ... Read more »

  • January 12, 2016
  • 01:25 AM

Sharks smell their way to shore

by TakFurTheKaffe in Tak Fur The Kaffe

New research suggests that Leopard sharks navigate with their nose, using chemical changes in the water to ‘smell’ their way home.... Read more »

  • January 8, 2016
  • 04:04 PM

Stem cells regulate their own proliferation and their microenvironment

by Dr. Jekyll in Lunatic Laboratories

A study by researchers at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) has identified a new mechanism through which hematopoietic stem cells (HSCs) control both their own proliferation and the characteristics of the niche that houses them. This control is exercised by the protein E-Selectin Ligand-1 (ESL-1).... Read more »

  • January 8, 2016
  • 12:01 PM

Devil in a bottle?

by AG McCluskey in Zongo's Cancer Diaries

The media are on the warpath again! This time, it's alcohol. But is this new?... Read more »

Department of Health. (2016) Alcohol Guidelines Review – Report from the Guidelines development group to the UK Chief Medical Officers. info:/

Bagnardi, V., Rota, M., Botteri, E., Tramacere, I., Islami, F., Fedirko, V., Scotti, L., Jenab, M., Turati, F., Pasquali, E.... (2012) Light alcohol drinking and cancer: a meta-analysis. Annals of Oncology, 24(2), 301-308. DOI: 10.1093/annonc/mds337  

  • December 30, 2015
  • 01:10 AM

Do Experts Make Bad Teachers? No.

by Joshua Fisher in Text Savvy

Post moved:

A pair of new studies has found that the stereotype of the aloof professor—you know, the one that is accomplished in her field but I'd like to see her come teach the kids in my school—might be, surprise surprise, a little unfair.

Researchers found that the superior content knowledge of mathematics professors (8 assistant professors and 7 full professors) relative to secondary teachers was associated with a significantly ........ Read more »

  • December 27, 2015
  • 10:30 PM

Cognitive Load Theory

by Joshua Fisher in Text Savvy

Post moved:

In some sense, a preference for explicit instruction, rather than being a pillar of cognitive load theory, is simply the logical consequence of accepting the two distinctions above—that biologically secondary and domain-specific knowledges differ significantly and qualitatively from their biologically primary, domain-general counterparts such that the former require explicit teaching whereas the latter do not.
... Read more »

  • December 24, 2015
  • 11:39 AM

Science Frauds III – Publishing Pressure or Lust for Fame?

by Rita dos Santos Silva in United Academics

The final conclusion of the Science Fraud series: do more and more scientists lie because of publishing pressure? It's not that simple.
... Read more »

  • December 24, 2015
  • 07:12 AM

Science Frauds II – Haruko Obokata

by Rita dos Santos Silva in United Academics

Data falsification occurs rather frequently. What makes scientists lie about their results? Haruko Obokata was a young female researcher, breaking into a predominantly male-dominated stem-cell research field...... Read more »

Obokata, H., Wakayama, T., Sasai, Y., Kojima, K., Vacanti, M., Niwa, H., Yamato, M., & Vacanti, C. (2014) Stimulus-triggered fate conversion of somatic cells into pluripotency. Nature, 505(7485), 641-647. DOI: 10.1038/nature12968  

  • December 18, 2015
  • 04:39 PM

Depression is more than a “mental health” problem and we can now measure its risk

by Dr. Jekyll in Lunatic Laboratories

A network of interacting brain regions known as the default mode network (DMN) was found to have stronger connections in adults and children with a high risk of depression compared to those with a low risk. These findings suggest that increased DMN connectivity is a potential precursor, or biomarker, indicating a risk of developing major depressive disorder (MDD).... Read more »

Posner, J., Cha, J., Wang, Z., Talati, A., Warner, V., Gerber, A., Peterson, B., & Weissman, M. (2015) Increased Default Mode Network Connectivity in Individuals at High Familial Risk for Depression. Neuropsychopharmacology. DOI: 10.1038/npp.2015.342  

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