Cody Taylor

KentuckyFC writes “Supernovae in our part of the Milky Way ought to have a significant impact on the atmosphere. In particular, the intense gamma-ray burst would ionize oxygen and nitrogen in the mid to upper atmosphere, increasing the levels of nitrogen oxide there by an order of magnitude or so. Now a team of Japanese researchers has found the first evidence of a supernova’s impact on the atmosphere in an ice core taken from Dome Fuji in Antarctica. The team examined ice that was laid down in the 11th century and found three nitrogen oxide spikes, two of which correspond to well known supernovae: one event in 1006 AD and another in 1054 AD, which was the birth of the Crab Nebula (abstract). Both were widely reported by Chinese and Arabic astronomers at the time. The third spike is unexplained, but the team suggests it may have been caused by a supernova visible only from the southern hemisphere or one that was obscured by interstellar dust.”

Read more of this story at Slashdot.

CWmike writes “Sourcefire security researcher Lurene Grenier has published a home-brewed patch for the critical Adobe Reader vulnerability that hackers are exploiting in the wild using malicious PDF files, beating Adobe Systems Inc. to the punch by more than two weeks. Grenier posted the patch on Sunday with the caveats that it applies only to the Windows version of Adobe Reader 9.0 and comes with no guarantees. Also, PhishLabs has created a batch file that resets a Windows registry key to de-fang the hack by disabling JavaScript in Adobe Reader 9.0, giving administrators a way to automate the process.”

Read more of this story at Slashdot.

Plasmoid writes “The NYTimes is reporting that scientists have starting developing what could turn out to be a ‘universal’ flu vaccine. They created antibody proteins that can neutralize different strains of the influenza virus, including the deadly H5N1 bird flu, the virus behind the 1918 epidemic, and common seasonal strains. These new antibodies target part of the virus that is shared between different strains and thus appear to be broadly effective. However, some experts question whether a universal vaccine of this kind is even possible, since the human body has been unable to come up with an antibody solution. An article on nature.com describes the work further.”

Read more of this story at Slashdot.

CSEMike writes “Currently popular peer-to-peer networks suffer from a lack of privacy. For applications like BitTorrent or Gnutella, sharing a file means exposing your behavior to anyone interested in monitoring it. OneSwarm is a new file sharing application developed by researchers at the University of Washington that improves privacy in peer-to-peer networks. Instead of communicating directly, sharing in OneSwarm is friend-to-friend; senders and receivers exchange data using multiple intermediaries in an overlay mesh. OneSwarm is built on (and backwards compatible with) BitTorrent, but includes numerous extensions to improve privacy while providing good performance: point-to-point encryption using SSL, source-address rewriting, and multi-path and multi-source downloading. Clients and source are available for Linux, Mac OS X, and Windows.”

Read more of this story at Slashdot.

nandemoari writes “In response to the current economic crisis, Microsoft Corp. has come out with a stimulus plan of their own. Their goal is to help a large group of individuals use their computers to land employment in ways other than to generate a compelling resume. The new online initiative, Elevate America, is set to equip close to 2 million people (over the next three years) with the skills needed to succeed in the field of technology.”

Read more of this story at Slashdot.

bughunter writes “The Orbiting Carbon Observatory (OCO) is slated for launch tomorrow, February 24, 2009. OCO is the first earth science observatory that will create a detailed map of atmospheric carbon dioxide sources and sinks around the globe. And not a moment too soon. Popular Mechanics has a concise article on the science that this mission will perform, and how it fits in with the existing ‘A-train’ of polar-orbiting earth observatories. JPL’s page goes into more detail. And NASA’s OCO Launch Blog will have continuous updates as liftoff approaches and the spacecraft reports in and checks out from 700km up.”

Read more of this story at Slashdot.

After initially asking for repayment of overpaid severance, Microsoft tells former employees who were laid off that they do not have to pony up individual amounts ranging from hundreds to ,000 each.

alphadogg writes “Last fall, the US government sought comments from industry about how better to secure the Internet by deploying DNSSEC on the root zone. But it hasn’t taken action since then. Internet policy experts anticipate further delays because the Obama Administration hasn’t appointed a Secretary of Commerce yet, the position that oversees Internet addressing issues. Meanwhile, the Internet engineering community is forging ahead with a stopgap to allow DNSSEC deployment without the DNS root zone being signed. Known as a Trust Anchor Repository, the alternative was announced by ICANN last week and has been in testing since October.”

Read more of this story at Slashdot.