ΟΟΣΑ: Εκπαιδευτική έρευνα PISA H Κύπρος θα συμμετάσχει στην έρευνα PISA 2012. Το συντονισμό και τη διεξαγωγή της έρευνας έχει αναλάβει το ΚΕΕΑ. Η PISA είναι μία διεθνής έρευνα που διεξάγεται από τον OECD (Organisation for Economic Cooperation and Development – Οργανισμός Οικονομικής Συνεργασίας και Ανάπτυξης) με σκοπό τη διεθνή αξιολόγηση των εκπαιδευτικών συστημάτων των χωρών που συμμετέχουν σε αυτόν. Συγκεκριμένα, η έρευνα στοχεύει στον καθορισμό αξιόπιστων δεικτών σε θέματα που σχετίζονται με τα μαθησιακά αποτελέσματα των εκπαιδευτικών συστημάτων (γνώσεις και δεξιότητες στους τομείς της Ανάγνωσης, των Μαθηματικών και των Φυσικών Επιστημών) κατά την περίοδο στην οποία η υποχρεωτική εκπαίδευση βαίνει ή βρίσκεται προς την ολοκλήρωσή της (στις περισσότερες χώρες). Η έρευνα διεξάγεται από το 2000 κάθε 3 χρόνια. Μετά από επίμονες προσπάθειες η Κύπρος θα μπορέσει να συμμετάσχει στην έρευνα PISA 2012. Η Πιλοτική Φάση (Field Trial) της έρευνας στην Κύπρο θα πραγματοποιηθεί το Μάρτιο και Απρίλιο του 2011. Κώστας Συμεωνίδης
not_available Sleep: Genes Cause People to React Differently to Lack of Sleep, Says Study <br/><a href=" US News</a> | <a href=" Business News</a> Copy No matter how little they sleep, some people can keep a skip in their step while others will yawn and struggle through the day. A new study from the University of Pennsylvania School of Medicine found that the reason could be in our genes. Researchers found that healthy people with one particular genetic variant were generally sleepier than those without the gene. One person who has been told by his doctor that he may have this genetic variation is Robert Gibson, a 43-year-old machine shop supervisor in Milan, Illinois. It would not be the only gene-linked sleep condition Gibson experiences; he already suffers from bouts of sleep paralysis, a disorder in which sufferers feel paralyzed as they fall asleep or as they wake up. "It feels like I am drugged down, like there's a heavy weight on me the whole next day," said Gibson. Genes and Heavy-Eyes
SpongeBob’s cousins are masters of glass - Technology & science - Science - Mysteries of the Universe WASHINGTON — For the strongest glass you can imagine, look for sponges at the bottom of the ocean. If you find cartoon superstar SpongeBob Square Pants, keep looking; he’s a bath sponge with a soft skeleton and no glass in his pants. Some of Bob’s distant sponge relatives, however, build glass cages that have biologists and materials scientists oohing, ahhing and taking notes for future bio-inspired engineering projects and materials. These glass cages have at least seven levels of structural organization, many of which follow basic principles of mechanical engineering, according to new research in Friday's issue of the journal Science, published by AAAS, the nonprofit science society. The “glass sponges” use many of the textbook principles of mechanical engineering in their efforts to transform brittle glass into a strong building material. Why they're so tough Aizenberg described the toughness of some of these glass fibers. “It puzzles me.
Home of CELLS alive! Nuclear reactor and power plant simulation Introduction This is not a lesson like the others in Radioactivity and Atomic Physics Explained but it fits in well with the lesson on nuclear power. It is a very sophisticated simulation of a pressurised water reactor (PWR), which is the most common type of nuclear power reactor in the US but not in Europe, though the principles are very similar. Using the tour There is a comprehensive tour which goes through the workings of the reactor, starting from a consumer of electrical energy and working backwards to the reactor core itself. You can restart the tour at any time using the button at the top left of the screen. Hint numbers Each part of the simulation has a hint number that you can click to see a description of its function. The skill test Once you're familiar with how to use the reactor you can see whether you can control the reactor so that the power output matches the demand from the city. Back to Summary of Radioactivity and Atomic Physics Explained
not_available Idaho Botanical Garden Member Benefits Become a Garden Member and receive a number of benefits. Members are eligible to: Purchase concert tickets in advance of the general publicReceive a discount: tickets are $5.00 less per ticket for Garden Members than for the general public Tickets eligible to purchase at the Garden Member rate: Individual – Sustaining Membership – 4Sponsoring- 6Patron – 8Perennial Society – 10Garden Steward – 25 To become a Garden Member, call the Membership Department at (208) 343-8649 or visit our Membership page. Garden Membership does not guarantee concert tickets. Please note that Garden Event vouchers and passes are not valid for There are 3 easy ways to purchase tickets Buy Tickets Now NOTE: Members purchasing tickets ONLINE will receive their discount only during pre-sales by entering the text IBG followed immediately after by a unique Member ID(found on membership card) for the promotional code. Children’s Tickets: Ticket Pick-up and Will Call: Ticket Will Call:
Cracking the Code of Life Cracking the Code of Life PBS Airdate: April 17, 2001 ROBERT KRULWICH: When I look at this—and these are the three billion chemical letters, instructions for a human being—my eyes glaze over. ERIC LANDER (Whitehead Institute/MIT): The genome is a storybook that's been edited for a couple billion years. ROBERT KRULWICH: This is the story of one of the greatest scientific adventures ever, and at the heart of it is a small, very powerful molecule, DNA. For the past ten years, scientists all over the world have been painstakingly trying to read the tiny instructions buried inside our DNA. J. FRANCIS COLLINS (National Human Genome Research Institute): This is the ultimate imaginable thing that one could do scientifically...is to go and look at our own instruction book and then try to figure out what it's telling us. ROBERT KRULWICH: And what it's telling us is so surprising and so strange and so unexpected. ERIC LANDER: How different are you from a banana? ERIC LANDER: You may feel different...
On Math Reading Materials by Eugene Wigner "The Unreasonable Effectiveness of Mathematics in the Natural Sciences," in Communications in Pure and Applied Mathematics, vol. 13, No. Mathematics, rightly viewed, possesses not only truth, but supreme beautya beauty cold and austere, like that of sculpture, without appeal to any part of our weaker nature, without the gorgeous trappings of painting or music, yet sublimely pure, and capable of a stern perfection such as only the greatest art can show. THERE IS A story about two friends, who were classmates in high school, talking about their jobs. Naturally, we are inclined to smile about the simplicity of the classmate's approach. The preceding two stories illustrate the two main points which are the subjects of the present discourse. Most of what will be said on these questions will not be new; it has probably occurred to most scientists in one form or another. The complex numbers provide a particularly striking example for the foregoing. Merci W.
Αθανασόπουλος - Νέες Τεχνολογίες Γιατί υπάρχει αυτός ο ιστότοπος Αρχικά, όταν ξεκίνησα τα μαθήματα στο ΜΔΕ, βρήκα βολικό να ανεβάσω στο Διαδίκτυο τις παρουσιάσεις που θα χρησιμοποιούσα, για την περίπτωση που ξεχάσω σπίτι το USB stick ή αυτό κρίνει πως είναι ευκαιρία να μου αποδείξει πόσο αναντικατάστατο είναι... Το να ανεβάσω τα έτοιμα βοηθήματα και τις παρουσιάσεις ώστε να είναι στη διάθεση των φοιτητών και τις ώρες που αυτοί δεν είναι στο Πανεπιστήμιο, ήταν το επόμενο λογικό βήμα. Τέλος το site αυτό καθ' εαυτό αποτελεί μαι απλή εφαρμογή σύγρονων τεχνολογιών σχεδιασμού ιστοσελίδων, όντας βασισμένο σε HTML5 και CSS3. Τα βοηθήματα Πρόκειται για πληροφορίες που υποστηρίζουν ή επεκτείνουν (για τους διαβαστερούς) αυτά που περιλαμβάνονται στα εργαστήρια και τις διαλέξεις. Το αναρτημένο ή συνδεδεμένο υλικό είναι στην πλειονότητα ελεύθερο για χρήση ή διανομή, με την παράκληση να μνημονεύεται ο δημιουργός του, είτε είμαι εγώ, είτε κάποιος στον οποίο αναφέρομαι.
The Meaning of Color Disciplines > Communication > The Meaning of Colors Meanings of color | Use in retail and business | Gender effects | Cultural effects | So what? Meanings of color Here is a table of colors and many of the meanings they tend to evoke, particularly in Western cultures. Notice how colors can mean very different things - it is not that the colors themselves have meaning, it is that we have culturally assigned meanings to them. For example, red means warmth because of the color of fire. Also: Temperature The more towards the red end of spectrum you go, the hotter it gets. Use in retail and business Here are some ways in which colors are used in retail and business: Color can even change what you taste. Gender effects Men and women see colors differently. Red has been associated with romance and an American experiment offering dates with identical pictures of the same woman in different colored dresses found that a red dress was most effective in stimulating male desire. Cultural effects See also
23andMe presents top 10 most interesting genetic findings of 2010 Public release date: 12-Jan-2011 [ Print | E-mail Share ] [ Close Window ] Contact: Jane E. Rubinsteinjrubinstein@rubenstein.com 212-843-828723andMe Inc. MOUNTAIN VIEW, CA – January 11, 2011 – 23andMe has released its first annual list of what it felt to be the 10 most interesting and significant genetic findings in 2010, as part of an ongoing journey to understand the role of genetics in personal health and human development. "Our understanding of the human genome is accelerating at a phenomenal rate," stated Anne Wojcicki, co-founder and CEO of 23andMe. Customers of 23andMe have the opportunity to learn about how their genetics can influence their individual health traits, risk for developing certain diseases and conditions, reactions to a variety of medications, and ancestry. 1. If you've been looking at an apple or pear body shape in the mirror, take a closer look at your genetic variants. "SNPwatch: Apple or Pear? 2. "SNPwatch: Breath Easier... 3. 4. 5. 6. 7. 8.
Hydrolysis of ATP How does the hydrolysis of ATP release so much energy? It just doesn't make sense, does it? Breaking bonds requires energy, and yet by breaking the bond of ATP, you provide energy for other reactions to take place! How does that work? Essentially the answer can either be simple or complicated. If you want the simple version, it is this - when ATP provides energy, it's not simply breaking a bond, the bond is hydrolysed. If you're happy with that, you're best off leaving it there because the following gets quite complicated, and it needs to go all the way back to thermodynamics and ΔG. The image on the left shows the enthalpy of formation for certain chemicals. Lets imagine that instead of just breaking a couple of bonds, we break every single bond in the whole chemical, and then we make the products of the reaction up from scratch. Of course, that's not too complicated. At first glance, the whole thing doesn't seem to make sense. First of all, consider the ATP molecule. Further Reading