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Physics

Το μέτρο της συμμετρίας

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This inkblot is obviously symmetrical...

Όλοι γνωρίζουμε τι είναι η συμμετρία. Σε αυτό το άρθρο ο Mario Livio από το Space Telescope Science Institute, στη Βαλτιμόρη των ΗΠΑ, εξηγεί πώς και οι νόμοι της φύσης, όπως τα σχήματα, μπορούν να είναι συμμετρικοί.

La lumière synchrotron éclaire les origines obscures des orangs-outangs

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Image caption

Paul Tafforeau du laboratoire de Géobiologie, Biochronologie et Paléontologie Humaine (université de Poitiers) et de I'Installation Européenne de Rayonnement Synchrotron (ESRF, Grenoble, France) nous explique ce que l’étude de dents fossiles par rayonnement X synchrotron peut nous apprendre sur l’évolution des orangs-outangs, et sur nos propres origines.

La Estación Espacial Internacional: un punto de apoyo en el espacio

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En el primero de sus dos artículos, Shamim Hartevelt-Velani y Carl Walker de la Agencia Espacial Europea nos llevan de viaje a la Estación Espacial Internacional.

Vita su Marte: “terraformare” il Pianeta Rosso

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The surface of Mars – devoid of liquid water and life

Scienza o fantascienza? Margarita Marinova del Caltech, USA studia la possibilità di installare la vita su Marte.

Paul vuelve al colegio

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Todos los profesores saben que su profesión no es precisamente fácil. Entonces, ¿qué haría que un profesional de la bioinformática quisiera dejar su carrera ya consolidada para enfrentarse a una clase? Vienna Leigh, del Laboratorio Europeo de Biología Molecular, nos informa.

Le Véhicule de Transfert Automatique – en appui à l’Europe de l’espace

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D’où les astronautes tirent-ils leur nourriture? Qu’advient-il de leurs déchets? Adam Williams de l’Agence Européenne de l’Espace à Darmstadt, Allemagne, décrit le développement d’une navette inhabitée destinée à desservir la Station Spatiale Internationale.

¿Que pasará? Una estrategia educativa para hacer participar en la clase a estudiantes de todas las edades

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David Featonby with a group of four-year-olds at Newburn Manor Nursery School, UK, discussing how the small balloon inflates the large one

David Featonby, del Reino Unido, presenta algunas demostraciones simples para hacer que vuestros alumnos reflexionen sobre los principios científicos.

Завръщане на Земята: интервю с Томас Райтер

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Thomas Reiter during the spacewalk on 3 August 2006

Малко преди Коледа на 2006г., немският астонавт Томас Райтер от Европейската космическа агенция EKA се завърна от Международната космическа станция (англ. International Space Station – ISS). Един месец по-късно, Барбара Уормбейн го интервюира за неговото пътуване, експериментите, които е направил и как се става астронавт.

Water – Humanity's Project: media collection for the classroom

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By Siemens AG

Reviewed by Michalis Hadjimarcou, Cyprus

Teaching in Sweden: tackling creationism, making waves

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Conspiracies are at the heart of many a good film and book. Swedish biology teacher Per Kornhall is the author of a critical book on intelligent design and how it is taught in biology lessons in religious schools in Sweden. He talks to Sai Pathmanathan and Marlene Rau about his fascination with modern science and his views on teaching the diversity of life.

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