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'Many exposed' to Mali Ebola girl: Health officials fear many people have been exposed to Mali's first Ebola victim, a girl who showed symptoms while travelling and has since died.
One killed in US school shooting: One person was shot dead and four students wounded by a student who also died at a school in the US state of Washington, police say.
Google boss sets new skydive record: Google executive Alan Eustace breaks the world altitude record for a parachute jump set two years ago by Felix Baumgartner.
Egypt: 29 killed in Sinai attacks: At least 29 Egyptian soldiers are killed in a suspected jihadist car bomb attack and a shooting, Egyptian officials say.
Ottawa gunman was asked to leave B.C. mosque:
Michael Zehaf-Bibeau, who killed Cpl. Nathan Cirillo in Ottawa earlier this week, was asked to leave the B.C. mosque he attended and objected to its policy of allowing in non-Muslims, a B.C. Muslim Association spokesperson has said.
Magnotta trial hears from computer forensics expert about video trail:
Luka Magnotta’s computers contained traces of photos, videos and an email that could link the killer to a graphic video posted online days after Jun Lin’s slaying, but police can’t say for certain the computers were used to upload the gory video.
Another Canadian jihadi slips through the cracks:
Yet another young Canadian has managed to get away to Syria to fulfil his aim of waging jihad and has boasted of his exploits online, an investigation by Radio-Canada's program Enquête has found.
New York Times Science
Alan Eustace Jumps From Stratosphere, Breaking Felix Baumgartner’s World Record: A helium-filled balloon lifted Alan Eustace, a Google executive, to more than 25 miles above the earth. Fifteen minutes after he cut himself loose, he was on the ground
New York and New Jersey Tighten Ebola Screenings at Airports: Gov. Andrew M. Cuomo of New York and Gov. Chris Christie of New Jersey said all people who had direct contact with Ebola patients in three West African nations would be quarantined
Dot Earth Blog: Why Americans Should Fear Fear of Ebola More than the Virus: Two vital efforts to tamp down unfounded fears of Ebola contagion
Profiles in Science: The Malaria Fighter: Although he does nothing to court publicity, many call Rear Adm. Timothy Ziemer one of the most effective leaders in public health
Home Solar Power Discounts Are Worker Perk in New Program: Conceived at the World Wildlife Fund, the initiative uses bulk purchasing power to allow for discounts on home systems
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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