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NY doctor tests positive for Ebola: A US doctor who returned to New York from Ebola-hit Guinea in West Africa becomes the first person to test positive for the virus in the city.
Canada attack 'not linked to IS': Canada's foreign minister tells the BBC there is no evidence so far that the man behind gun attacks in Ottawa was linked to Middle Eastern jihadists.
Sweden calls off search for sub: Sweden calls off its massive week-long search for a suspected Russian submarine in the sea south of Stockholm.
EU leaders agree CO2 emissions cut: The EU agrees what it calls "the world's most ambitious" deal to cut greenhouse gas emissions by 40% by 2030, overcoming deep divisions.
Ottawa gunman asked B.C. judge to send him to jail in 2011:
The man who shot and killed Cpl. Nathan Cirillo at the National War Memorial and was gunned down himself on Parliament Hill Wednesday morning told a B.C. judge almost three years ago that he was homeless and that he wanted to go to jail so he could change his ways.
Omar Khadr wins right to to expand $20M lawsuit against Ottawa:
Former Guantanamo Bay prisoner Omar Khadr should be allowed to claim the Canadian government conspired with the Americans to torture him and breach his rights, a Federal Court judge ruled Thursday.
Damage reveals horror of Parliament Hill shooting:
Damage to Centre Block, the main building on Parliament Hill, reveals the harrowing scene Wednesday as gunman Michael Zehaf-Bibeau stormed the building and opened fire before he was shot and killed.
New York Times Science
A Billionaire’s $65 Million Gift to Theoretical Physics: Charles T. Munger, a longtime business partner of Warren Buffett, is donating $65 million to the Kavli Institute for Theoretical Physics at the University of California, Santa Barbara
Tracing Ebola Patient’s Possible Contacts Creates Host of Challenges for New York City: The city’s first confirmed case of Ebola has raised complicated logistical issues of how to trace the possible contacts of an infected patient in a metropolis of more than 8 million people
Neighbors Say Ebola Patient Is Fast to Lend a Helping Hand: Dr. Craig Spencer, 33, traveled with Doctors Without Borders to Burundi, Congo and Rwanda before going to Guinea
Craig Spencer, Doctor in New York City, Is Sick With Ebola: Dr. Craig Spencer, who returned from Guinea last week, remains in isolation at Bellevue Hospital Center. Authorities are tracing anyone who might have come into contact with him recently
Ebola Crosses New Border as Mali Confirms a Case: A toddler from next-door Guinea who lost a parent to the disease has tested positive
Nobel Prize in Chemistry for Improving Microscopy
Eric Betzig, Stefan W. Helland William E. Moerner have been awarded the 2014 Nobel Prize in Chemistry for enabling microscopes to gaze at smaller structures than anyone thought possible. Scientists believed that microscopy would never obtain a better resolution than half the wavelength of light for a long time, many even started to consider it a physical limit after microscopist Ernst Abbe declared it so in 1873. Nonetheless, these three scientists circumvented that supposed limit - and changed the world of microscopy.
Using this new micro-microscopy, what has become known as nanoscopy, scientists can now visualize incredibly small features:
They can see how molecules create synapses between nerve cells in the brain; they can track proteins involved in Parkinson’s, Alzheimer’s and Huntington’s diseases as they aggregate; they follow individual proteins in fertilized eggs as these divide into embryos.
From the Nobel Prize committee:
Two separate principles are rewarded. One enables the method stimulated emission depletion (STED) microscopy, developed by Stefan Hell in 2000. Two laser beams are utilized; one stimulates fluorescent molecules to glow, another cancels out all fluorescence except for that in a nanometre-sized volume. Scanning over the sample, nanometre for nanometre, yields an image with a resolution better than Abbe’s stipulated limit.
Eric Betzig and William Moerner, working separately, laid the foundation for the second method, single-molecule microscopy. The method relies upon the possibility to turn the fluorescence of individual molecules on and off. Scientists image the same area multiple times, letting just a few interspersed molecules glow each time. Superimposing these images yields a dense super-image resolved at the nanolevel. In 2006 Eric Betzig utilized this method for the first time.
Today, nanoscopy is used world-wide and new knowledge of greatest benefit to mankind is produced on a daily basis.
Read the full press release here.
More physics here than in this years physics Nobel
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