oAnth's day by day interests - via its scoop.it contacts
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oAnth's day by day interests - via its scoop.it contacts
An aggregator for (oAnth's) daily interests in humanities, arts, science, geography, economics, politics - academia, education - activism, advocacy - itec, free software, open source, open access, open knowledge - languages in use: mostly EN, FR, DE
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Evaluating the Khan Academy

Evaluating the Khan Academy | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

Via Marta Torán, juandoming
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'Lost' Tectonic Plate Found Beneath California

'Lost' Tectonic Plate Found Beneath California | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

Via Kathy Bosiak
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subrealism: the biological origin of linguistic diversity

subrealism: the biological origin of linguistic diversity | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Just as reading relies on neural mechanisms that pre-date the emergence of writing [17], so perhaps language has evolved to rely on pre-existing brain systems. However, there is more agreement about the origin of linguistic ...

Via Athanasios Karavasilis
oAnth - "offene Ablage: nothing to hide"'s insight:

[...]

 

plosone - http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0048029

 

(Abstract) In contrast with animal communication systems, diversity is characteristic of almost every aspect of human language. Languages variously employ tones, clicks, or manual signs to signal differences in meaning; some languages lack the noun-verb distinction (e.g., Straits Salish), whereas others have a proliferation of fine-grained syntactic categories (e.g., Tzeltal); and some languages do without morphology (e.g., Mandarin), while others pack a whole sentence into a single word (e.g., Cayuga). A challenge for evolutionary biology is to reconcile the diversity of languages with the high degree of biological uniformity of their speakers. Here, we model processes of language change and geographical dispersion and find a consistent pressure for flexible learning, irrespective of the language being spoken. This pressure arises because flexible learners can best cope with the observed high rates of linguistic change associated with divergent cultural evolution following human migration. Thus, rather than genetic adaptations for specific aspects of language, such as recursion, the coevolution of genes and fast-changing linguistic structure provides the biological basis for linguistic diversity. Only biological adaptations for flexible learning combined with cultural evolution can explain how each child has the potential to learn any human language.

 

[...]

 

http://subrealism.blogspot.de/2013/03/the-biological-origin-of-linguistic.html

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Schrödinger's Cat could be visible after all

Schrödinger's Cat could be visible after all | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Schrödinger's Cat could be (almost) as easy to observe as the internet's millions of LOLcats, with confirmation that there may be a way round Heisenberg's famous Uncertainty ...

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Error and attack tolerance of complex networks : Article : Nature

Error and attack tolerance of complex networks : Article : Nature | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Nature is the international weekly journal of science: a magazine style journal that publishes full-length research papers in all disciplines of science, as well as News and Views, reviews, news, features, commentaries, web focuses and more,...

Via luiy
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luiy's curator insight, March 4, 2013 7:07 AM

Many complex systems display a surprising degree of tolerance against errors. For example, relatively simple organisms grow, persist and reproduce despite drastic pharmaceutical or environmental interventions, an error tolerance attributed to the robustness of the underlying metabolic network1. Complex communication networks2display a surprising degree of robustness: although key components regularly malfunction, local failures rarely lead to the loss of the global information-carrying ability of the network. The stability of these and other complex systems is often attributed to the redundant wiring of the functional web defined by the systems' components. Here we demonstrate that error tolerance is not shared by all redundant systems: it is displayed only by a class of inhomogeneously wired networks, called scale-free networks, which include the World-Wide Web3, 4, 5, the Internet6, social networks7 and cells8. We find that such networks display an unexpected degree of robustness, the ability of their nodes to communicate being unaffected even by unrealistically high failure rates. However, error tolerance comes at a high price in that these networks are extremely vulnerable to attacks (that is, to the selection and removal of a few nodes that play a vital role in maintaining the network's connectivity). Such error tolerance and attack vulnerability are generic properties of communication networks.

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Institut für Softwaretechnik und Theoretische Informatik: 2013_04_22


Via Pascual Pérez-Paredes
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Pascual Pérez-Paredes's curator insight, March 3, 2013 5:21 AM
Opinion mining and lexical affect sensing
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Early Neolithic Water Wells Reveal the World's Oldest Wood Architecture

Early Neolithic Water Wells Reveal the World's Oldest Wood Architecture | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

The European Neolithization ~6000−4000 BC represents a pivotal change in human history when farming spread and the mobile style of life of the hunter-foragers was superseded by the agrarian culture. Permanent settlement structures and agricultural production systems required fundamental innovations in technology, subsistence, and resource utilization. Motivation, course, and timing of this transformation, however, remain debatable. Here we present annually resolved and absolutely dated dendroarchaeological information from four wooden water wells of the early Neolithic period that were excavated in Eastern Germany. 


Via Jean-Philippe BOCQUENET
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What Lessons to Learn from the Chelyabinsk Meteor? - SETI Institute 2013-02-22 | offene Ablage: nothing to hide

What Lessons to Learn from the Chelyabinsk Meteor? - SETI Institute 2013-02-22 | offene Ablage: nothing to hide | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

 

https://www.youtube.com/watch?v=dssEZiFg8Eg

http://www.seti.org  

 

 

// oAnth: 30 minutes dense information about the actual available knowledge, predictabilty and possible further use of small earth near objects.

 

In case of your interest see also "Surface exploration of small solar system objects": http://youtu.be/g_wNpnkbqpQ

 

also via: http://www.seti.org/weeky-lecture/surface-exploration-small-solar-system-bodies-challenges-and-prospects

 

 

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En 1908: Événement de la Toungouska - Tunguska-Ereignis - Tunguska event (Wikipedia) | 2013-02-21 offene Ablage: nothing to hide

En 1908: Événement de la Toungouska - Tunguska-Ereignis - Tunguska event (Wikipedia) | 2013-02-21 offene Ablage: nothing to hide | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

 

 

 

à l'occasion actuelle - aus gegebenem Anlass - in occasion of a recent event in Sibiria, Russia

 

 

 

 

 

 

 

 

https://en.wikipedia.org/wiki/Tunguska_event
https://de.wikipedia.org/wiki/Tunguska-Ereignis
https://fr.wikipedia.org/wiki/Événement_de_la_Toungouska

 

 

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Why you can’t trust research: 3 problems with the quality of science

Traditional scientific communication directly threatens the quality of scientific research. Today's system is unreliable -- or worse! Our system of scholarly publishing reliably gives the highest status to research that is most likely to be wrong.

Via MyScienceWork
oAnth - "offene Ablage: nothing to hide"'s insight:

Don't miss to read the commentaries - the whole issue becomes so much more differenciated than by the article itself.

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Self-assembling molecules offer new clues on life’s possible origin | KurzweilAI

Self-assembling molecules offer new clues on life’s possible origin | KurzweilAI | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
RNA lite? Chemicals known as TAPAS and CA (left) assemble together forming rosettes (middle) that then stack into genelike chains (right) (credit: B.J.

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New evidence suggests comet or asteroid impact was last straw for dinosaurs

New evidence suggests comet or asteroid impact was last straw for dinosaurs | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
While many assume that a comet or asteroid impact killed off the dinosaurs, the actual dates of the impact and extinction are imprecise enough that some have questioned the connection.

Via Kathy Bosiak
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Trust and Complex Technology: The Cyborg’s Modern Bargain » Cyborgology

Trust and Complex Technology: The Cyborg’s Modern Bargain » Cyborgology | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

In this essay, I want to continue the discussion about our relationship with the technology we use. Adapting and extending Anthony Giddens’ Consequences of Modernity, I will argue that an essential part of the cyborganic transformation we experience when we equip Modern, sophisticated technology is deeply tied to trust in expert systems. It is no longer feasible to fully comprehend the inner workings of the innumerable devices that we depend on; rather, we are forced to trust that the institutions that deliver these devices to us have designed, tested, and maintained the devices properly. This bargain—trading certainty for convenience—however, means that the Modern cyborg finds herself ever more deeply integrated into the social circuit. In fact, the cyborg’s connection to technology makes her increasingly socially dependent because the technological facets of her being require expert knowledge from others.


Via proto-e-co-logics, luiy, Ben van Lier
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luiy's curator insight, February 8, 2013 6:31 PM

Cyborgs always see the social in the technological; the “technology is neutral” trope is a laugh line.

 

Nowhere are mutual trust and co-dependency more apparent than with social media. Few of us have any clue how the Internet’s infrastructure delivers our digital representations across the world in an instant. This lack of knowledge means simply that we must trust that platforms such as Facebook or Google are delivering information accurately. As the Turing test has demonstrated, computers can easily fool us into believing we are communicating with someone who is not present or who does not even exist, if the system allows. Moreover, on platforms such as Facebook, we also must trust the system to enforce a norm of honesty. If we cannot trust that other users are honestly representing themselves, we become unsure of how to respond. Honesty and accuracy of information are preconditions to participation. And because, as individuals, we lack the capacity to ensure either, we must place our trust in experts. We users do not understandthe mechanics of Facebook, we simply accept it as reality; that is to say, Facebook is made possible through widespread suspension of disbelief. Thus, use social media is a commitment to pursuit the benefits of participation, despite the risk that we could be fooled or otherwise taken advantage of. Facebook is not merely social because it involves mutual interaction, it is social because trust in society’s expert systems is a precondition to any such interaction.

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Voyager 1 has entered a new region of space, sudden changes in cosmic rays indicate

Voyager 1 has entered a new region of space, sudden changes in cosmic rays indicate | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Thirty-five years after its launch, Voyager 1 appears to have travelled beyond the influence of the Sun and exited the heliosphere, according to a new study.

Via Ioannis
oAnth - "offene Ablage: nothing to hide"'s insight:

- more detailed with graphics and data; article from 2012-12-03:

http://www.jpl.nasa.gov/news/news.php?release=2012-381#7

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Les condamnations de 1277 et la naissance de la science moderne. - Centre Atlantique de Philosophie

Les condamnations de 1277 et la naissance de la science moderne. - Centre Atlantique de Philosophie | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

Version préliminaire d’une communication présentée au colloque organisé par Vincent Jullien (février 2012), et publiée dans les actes édités par V. Jullien, E. Nicolaïdis et M. Blay, Europe et sciences modernes. Histoire d’un engendrement mutuel, Peter Lang, 2012.

Présentation de la thèse de Duhem sur l’origine médiévale de la science moderne, et discussion de ses interprétations et de ses critiques.


Via dm
oAnth - "offene Ablage: nothing to hide"'s insight:

 

[...]

 

Posons la question grossièrement : pourquoi la
science est-elle née en Europe, pourquoi à cette époque, et non au sein
d’une autre civilisation et/ou à une autre époque ? Y a-t-il une
explication, ou est-ce seulement un fait contingent qui aurait pu ne pas se
produire, la culture indienne ou chinoise donnant lieu à la physique
mathématique, ou encore la culture musulmane, qui disposa avant la
culture chrétienne des mêmes bases théoriques de la philosophie
naturelle ?
Cette question renvoie à la thèse de l’engendrement de la science
moderne par la culture médiévale, défendue par Pierre Duhem dans ses
ouvrages d’histoire des sciences, des Origines de la statique (1905) au
Système du Monde (achevé/inachevé en 1916 et publié intégralement
en 1958).

 

[...]

 

http://www.caphi.univ-nantes.fr/Les-condamnations-de-1277-et-la

 

open access: http://www.caphi.univ-nantes.fr/IMG//pdf/Duhem_1277_cyrille_michon-revu.pdf

 

 

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La culture est-elle soluble dans l'ebook ? / Pierre Mounier

La culture est-elle soluble dans l'ebook ? / Pierre Mounier | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Après la communication de Dominique Cardon sur “les sociabilités numériques” puis celle de Thierry Baccino sur “la lecture numérique”, je ne saurais trop vous recommander d'écouter l'intervention d...

Via emma_morlock
oAnth - "offene Ablage: nothing to hide"'s insight:

[...]

 

→ Pour aller plus loin (ou à côté), voir aussi:

 

- Michel Serres “Les nouvelles technologies - révolution culturelle et cognitive”

- Serge Tisseron “La culture numérique”

- Olivier Donnat (interview Bambou) “Les pratiques culturelles des français à l’ère numérique”

- Alain Giffard : “La lecture numérique peut-elle se substituer à la lecture classique ?”

- Virginie Clayssen “L’évolution récente du livre numérique et de l’édition numérique” 

- Milad Doueihi “L’humanisme numérique”

 

[...]

 

// au blog vous y trouverez les titres des discours donnés aux vidéos avec des liens

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luiy's curator insight, March 12, 2013 5:55 PM
Après la communication de Dominique Cardon sur “les sociabilités numériques” puis celle de Thierry Baccino sur “la lecture numérique”, je ne saurais trop vous recommander d’écouter l’intervention de Pierre Mounier*, que nous avons eu le plaisir d’accueillir, le 29 novembre dernier, à la Médiathèque de Miramas. Cette communication a pour titre “La culture est-elle soluble dans l’e-book? Les enjeux de la métamorphose du livre à l’ère numérique”.En voici le contenu synthétique :

“Presque 600 ans après l’invention de l’imprimerie, le livre connaît une nouvelle révolution technologique en se dématérialisant au sein des réseaux numériques. La montée en puissance des “liseuses” et “tablettes multimédia” annonce un tournant majeur dans l’histoire du livre. L’horizon est aujourd’hui un peu obscurci par, d’un côté les slogans marketing qui mettent en avant les avantages pratiques des nouvelles machines, et de l’autre les crispations luddites autour de la “sensualité du livre” et de l’“odeur du papier”. Pourtant, cette métamorphose du livre numérique porte d’autres enjeux, éminemment politiques. Car si le livre est un produit marchand, fruit d’une industrie spécialisée, il est aussi, et peut-être d’abord un vecteur privilégié de partage des savoirs et de l’expression artistique ; en un mot de la culture. Cette tension de l’économie et de la culture, cristallisée sous le terme problématique d’“industrie culturelle” est réactivée à l’occasion du passage du livre au numérique. Et c’est bien à la lumière de cette question qu’il faut décrypter tous les débats autour du prix du livre et de son mode de distribution, du “piratage” (ou partage ?) des œuvres, du rôle des acteurs traditionnels (éditeurs, libraires, bibliothèques) mais aussi nouveaux (moteurs de recherche, médias sociaux) de la chaîne du livre, de l’évolution des usages de lecture, et jusqu’aux formats d’encodage des ouvrages.”

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LHC team observes first instance of D-mesons oscillating between matter and antimatter

LHC team observes first instance of D-mesons oscillating between matter and antimatter | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
(Phys.org) —Researchers working at the Large Hadron Collider (LHC) have observed for the first time evidence of D-mesons oscillating between matter and antimatter.

Via Ioannis
oAnth - "offene Ablage: nothing to hide"'s insight:

[...]

 

Put simply, antimatter is identical to matter except that it exists with an opposite electrical charge. In this new research, the team was studying mesons—a group that along with other particles are made up of quarks. Mesons are made up of just two quarks, one matter, the other antimatter. Research over the years has led to theories that the quarks that exist as part of mesons, can oscillate between matter and antimatter.

 

[...]

 

// open access - pdf dl arxiv.org

 

 

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Scientists Uncover Invisible Motion in Video

Scientists Uncover Invisible Motion in Video | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
A group of scientists have developed a system that amplifies tiny movements in videos, a technique that could have practical applications in fields as diverse as health care, manufacturing and law enforcement.

Via René Z.
oAnth - "offene Ablage: nothing to hide"'s insight:

there is a quite menacing aspect in this - see also: http://ec.europa.eu/enterprise/policies/security/indect/index_en.htm

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Secrets of human speech uncovered | KurzweilAI

Secrets of human speech uncovered | KurzweilAI | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Top: vocal tract schematics for three consonants (/b/, /d/, /g/), produced by occlusion at the lips, tongue tip, and tongue body, respectively (red arrow).

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Confirmed: Cosmic Rays Come From Exploding Stars : 80beats

Confirmed: Cosmic Rays Come From Exploding Stars : 80beats | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

[...]

 

Scientists have known about these ridiculously energetic and high-velocity particles for nearly a hundred years. In daily life, cosmic rays may be familiar as the source of extra radiation airline passengers are exposed to. However scientists have been uncertain about where cosmic rays come from. The extreme conditions of temperature and speed that accompany supernovae and their remains made them a natural starting point for guesses. Now two separate Science papers finally provide evidence that cosmic rays do indeed come from supernovae remnants.


[...]


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Les modèles théoriques d'univers. La conjecture Cordus

Appelons modèles théoriques de l'univers ceux qui proposent des descriptions du cosmos à son échelle la plus large qui A. ne soient pas brutalement contradictoires avec les connaissances scientifiques bien établies et B. sont encore trop abstraites pour pouvoir être vérifiées expérimentalement, tout au moins dans l'état des instruments d'observations actuels.


 
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Asteroid impact zone found (ScienceAlert)

Asteroid impact zone found (ScienceAlert) | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
The world's third largest asteroid impact zone was has been found in South Australia.

Via Kathy Bosiak
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Ozone hole shrinks to record low

Ozone hole shrinks to record low | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
Good news from Antarctica: The hole in the ozone layer is shrinking, new measurements reveal

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When physicists do linguistics

When physicists do linguistics | oAnth's day by day interests - via its scoop.it contacts | Scoop.it
When physicists look at language, what do they see? For the five experts in physics who authored a recent paper in the journal Scientific Reports, language looks very much like a gas, with words bouncing around like particles.

Via Athanasios Karavasilis
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Nanoscale capsule kills cancer cells without harming healthy cells | KurzweilAI

Nanoscale capsule kills cancer cells without harming healthy cells | KurzweilAI | oAnth's day by day interests - via its scoop.it contacts | Scoop.it

A degradable nanoscale shell to carry proteins to cancer cells and stunt the growth of tumors without damaging healthy cells has been developed by a team led by researchers from the UCLA Henry Samueli School of Engineering and Applied Science.

Tiny shells (about 100 nanometers in length, roughly half the size of the smallest bacterium) are composed of a water-soluble polymer that safely delivers a protein complex to the nucleus of cancer cells to induce their death. The shells degrade harmlessly in non-cancerous cells.

The process does not present the risk of genetic mutation posed by gene therapies for cancer, or the risk to healthy cells caused by chemotherapy, which does not effectively discriminate between healthy and cancerous cells, said Yi Tang, a professor of chemical and biomolecular engineering and a member of the California NanoSystems Institute at UCLA.

“This approach is potentially a new way to treat cancer,” said Tang. “It is a difficult problem to deliver the protein if we don’t use this vehicle. This is a unique way to treat cancer cells and leave healthy cells untouched.”


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