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Japanese researchers said Wednesday they had used stem cells to restore partial mobility in a small monkey that had been paralysed from the neck down by a spinal injury.

Digital advertising billboards being trialled in Japan are fitted with cameras that read the gender and age group of people looking at them to tailor their commercial messages.

The hackers that brought down Sony's Playstation Network for more than a month used stolen credit cards to rent computing power from Amazon's Elastic Computing Cloud (EC2) to carry out their attack. Personal information, credit cards, and passwords from millions of customers were seized by hackers during the attack. Because computing power can be rented from EC2 anonymously, hacking using the service can be hard to trace. Tracing the attack may require the FBI seeking a search warrant to access Amazon's detailed records of which IP addresses accessed the service at which time, and tracing those IP addresses to homes or businesses. The Playstation Network remains down in Japan due to government concerns over its security.

Complete video at: http://fora.tv/2009/05/23/Marcus_Chown_in_Conversation_with_Fred_Watson Marcus Chown, author of Quantum Theory Cannot Hurt You: A Guide to the Universe, discusses the mechanics behind quantum computers, explaining that they function by having atoms exist in multiple places at once. He predicts that quantum computers will be produced within 20 years. ----- The two towering achievements of modern physics are quantum theory and Einsteins general theory of relativity. Together, they explain virtually everything about the world in which we live. But almost a century after their advent, most people havent the slightest clue what either is about. Radio astronomer, award-winning writer and broadcaster Marcus Chown talks to fellow stargazer Fred Watson about his book Quantum Theory Cannot Hurt You. - Australian Broadcasting Corporation Marcus Chown is an award-winning writer and broadcaster. Formerly a radio astronomer at the California Institute of Technology, he is now cosmology consultant of the weekly science magazine New Scientist. The Magic Furnace, Marcus' second book, was chosen in Japan as one of the Books of the Year by Asahi Shimbun. In the UK, the Daily Mail called it "a dizzy page-turner with all the narrative devices you'd expect to find in Harry Potter". His latest book is called Quantum Theory Cannot Hurt You.

Japan insists its nuclear crisis was caused by an unforeseeable combination of tsunami and earthquake. But new evidence suggests its reactors were doomed to fail.

Nuclear Facts A very clued in professional who will not be bought or intimidated into silence: Dr Helen Caldicott, true to style, tells it as it is. As she sees it, you wont usually hear the truth so listen up.. Nuclear fallout from Japan and Canada