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Read Newton's writings as he intended them All our texts can also be read in normalized versions that incorporate all Newton's revisions and corrections.

The Starry Messenger is Phase I of the Electronic History of Astronomy developed in the Whipple Museum of the History of Science and the Department of History and Philosophy of Science. This phase was directed by Dr Sachiko Kusukawa and Dr Liba Taub, and supported by funding from Trinity College, Cambridge. Dr David Chart was the Project Manager.

Department of History and Philosophy of Science

We hold 14 million books, 920,000 journal and newspaper files ...

Try over 600 free online courses from The Open University. Available from introductory to advanced level, each takes between 1 and 50 hours to study. Complete activities to assess your progress and compare your thoughts with sample answers.

"It seems that CBT really can change your brain and rewire it." Dr Paul Blenkiron, Consultant Psychiatrist " CBT may not be for everyone, however.

Dr Simon Archer and his team at Surrey University were particularly interested in looking at the genes that were switched on or off in our volunteers by changes in the amount that we had made them sleep. "We found that overall there were around 500 genes that were affected," Archer explained. "Some which were going up, and some which were going down." What they discovered is that when the volunteers cut back from seven-and-a-half to six-and-a-half hours' sleep a night, genes that are associated with processes like inflammation, immune response and response to stress became more active. The team also saw increases in the activity of genes associated with diabetes and risk of cancer. The reverse happened when the volunteers added an hour of sleep. So the clear message from this experiment was that if you are getting less than seven hours' sleep a night and can alter your sleep habits, even just a little bit, it could make you healthier

Harald Ott, Martin Birchall, Künstliche Niere aus dem Labor

"There is a "significant credibility gap" between researchers' expectations and the likelihood of their forging long-term careers in higher education, a survey has found. More than three-quarters of research staff responding to the Careers in Research Online Survey 2013 said they aspired to a career in higher education and around two-thirds said they expected to achieve this. But it was "unrealistic to expect" that this number of research staff, or even half of those in the early stages of their career, would be able to secure a long-term research role in higher education, says the report, based on the survey produced by Vitae, the careers organisation for researchers."

The oldest big cat fossils ever found - from a previously unknown species "similar to a snow leopard" - have been unearthed in the Himalayas. The skull fragments of the newly-named Panthera blytheae have been dated between 4.1 and 5.95 million years old. Their discovery in Tibet supports the theory that big cats evolved in central Asia - not Africa - and spread outward.

"The Bodleian Libraries of the University of Oxford and the Biblioteca Apostolica Vaticana (Vatican Library) have joined efforts in a landmark digitization project with the aim of opening up their repositories of ancient texts. Over the course of the next four years, 1.5 million pages from their remarkable collections will be made freely available online to researchers and to the general public."

"The EBI RDF Platform aims to bring together the efforts of a number of EMBL-EBI resources that provide access to their data using Semantic Web technologies. It provides a unified way to query across resources using the W3C SPARQL query language. We welcome comments or questions via our feedback form."

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