Comment Re:Animal Cruelty (Score 3, Interesting) 155
Nanoparticles make everything taste like chicken. That is the power of nanoscience. Anyway, research animals should be eaten if the substances which were used on them are safe.
Submission + - Microfluidic Chips made with Shrinky Dinks
SoyChemist writes: "When she started her job as a new professor at UC Merced, Michelle Khine was stuck without a clean room or semiconductor fabrication equipment, so she went MacGyver and started making Lab-on-a-Chip devices in her kitchen with Shrinky Dinks, a laser printer, and a toaster oven. She would print a negative image of the channels onto the polystyrene sheets and then make them smaller with heat. The miniaturized pattern served as a perfect mould for forming rounded, narrow channels in PDMS — a clear, synthetic rubber."
Submission + - New Nerve Gas Antidotes (wired.com) 1
SoyChemist writes: Scientists from Korea and the Czech Republic have discovered new drugs that can counteract the chemical overload caused by nerve gas. All of the experimental medications belong to a family of chemicals called oximes. Those molecules reactivate the enzyme that is damaged by the chemical weapons. Last year, the FDA approved the first combined atropine and oxime auto-injector for use by emergency personnel. Israel has been providing them to their citizens since the first Gulf War.
Submission + - Email Threats Less Crazy than Snail Mail (wired.com) 2
SoyChemist writes: Psychologists at the University of Nebraska have read 300 threatening letters and 99 angry emails to members of congress. They concluded that the authors of the electronic messages show less signs of serious mental illness, but they are more profane and disorganized. The report was published in the September issue [subscription] of the Journal of Forensic Sciences.
Submission + - Using Old Medications to Defeat Tuberculosis
TastesLikeCoughSyrup writes: Antibiotic resistant tuberculosis is spreading like wildfire in the developing world. While many researchers are looking for new drugs to combat the disease, those efforts could take years to bear fruit. Meanwhile, two scientists at the Albert Einstein College of Medicine have learned how the drug clavulanate can destroy the defenses of tuberculosis, making it vulnerable to medications in the penicillin family. The best part: it has already been approved by the FDA so doctors can start using it immediately.
Submission + - Forty Years of LOGO
SoyChemist writes: Forty years ago, LOGO, a derivative of LISP, was born. Several years later, it became the cornerstone of educational software that simultaneously taught geometry and how to think like a coder. With a plethora of high-end educational software packages to choose from, each with flashy multimedia and trademarked characters, parents and teachers may find the humble turtle a bit outdated. Thankfully, several LOGO programs are available for free through a variety of websites, but perhaps 3D programming environments like Alice will be the wave of the future.
Submission + - Fish Poison Makes Hot Feel Cold and Cold feel Hot (wired.com)
SoyChemist writes: "Ciguatoxin causes bizarre neurological symptoms including temperature reversal, a burning sensation, and an imaginary feeling of loose teeth. It is produced by algae and accumulates in the fatty flesh of tropical fish. While traveling to the tropics, a man from England ate some bad seafood that contained the unusual poison. His story, and the tale of some unfortunate sailors that suffered the same affliction, appeared in the current issue of Practical Neurology and was summarized on the Wired Science Blog. Both the Wired blog and the peer-reviewed journal neglected to mention that the potent neurotoxin has been made from scratch by organic chemists."
Submission + - Boeing Dreamliner Concerns are Specious (wired.com)
SoyChemist writes: On the most recent edition of his new show, Dan Rather reported that the new 787 Dreamliner aircraft may be unsafe. Since then, dozens of news agencies have jumped on the bandwagon. Most of them are reporting that the carbon fiber frame may not be as sturdy as aluminum. Few have bothered to question Rather's claims that the composite materials are brittle, more likely to shatter on impact, and prone to emit poisonous chemicals when ignited. While there is a lot of weight behind the argument that composite materials are not as well-studied as aircraft aluminum, the reasoning behind the flurry of recent articles may be faulty. The very title of Rather's story, Plastic Planes, indicates a lack of grounding in science. Perhaps the greatest concern should be how well the plane will hold up to water. Because they are vulnerable to slow and steady degradation by moisture, the new materials may not last as long as aluminum. Testing them for wear and tear will be more difficult too.
Submission + - An Aerosol Spray to Identify Bombing Suspects (wired.com) 1
RedHanded writes: Forensic chemists at the Hebrew University of Jerusalem have developed a color-changing spray that can identify people suspected of making or planting bombs. The chemical turns from yellow to bright red when it comes into contact with urea nitrate, an explosive residue that may be left behind on the hands of someone who has handled an improvised device.
Submission + - Girl's heart regenerates due to artificial assist (www.cbc.ca) 1
Socguy writes: "A 15-year-old girl has become the first Canadian to have an artificial heart removed after her own heart healed itself.
Doctors at the Stollery Children's hospital implanted the Berlin Heart, a portable mechanical device that keeps blood pumping in an ailing heart, so she could survive until a transplant became available.
But over the next few months, Melissa's overall condition improved dramatically, and her heart muscle regained much of its strength. After 146 days on the Berlin Heart, Melissa underwent surgery to have the device removed.
http://www.cbc.ca/canada/calgary/story/2007/08/28/ artificial-heart.html"
Doctors at the Stollery Children's hospital implanted the Berlin Heart, a portable mechanical device that keeps blood pumping in an ailing heart, so she could survive until a transplant became available.
But over the next few months, Melissa's overall condition improved dramatically, and her heart muscle regained much of its strength. After 146 days on the Berlin Heart, Melissa underwent surgery to have the device removed.
http://www.cbc.ca/canada/calgary/story/2007/08/28
Submission + - Winnie Wrote a Math Book
SoyChemist writes: Hollywood is not known for providing a wealth of positive female role models. Danica McKellar, the actress that played Winnie Cooper on The Wonder Years and Elsie Snuffin on The West Wing, has written a math book for teenage girls. Math Doesn't Suck is in the style of a teen magazine. It even includes a horoscope, cute doodles of shoes and jewelry, and testimonials from attractive young career women that use math at work. It focuses on fractions and pre-algebra and uses mnemonics like calling a reciprocal a "refliprocal", because you just take the fraction and flip it upside down. Wired interviewed McKellar about the new book and her crusade to eliminate the achievement gap between boys and girls in math courses. McKellar graduated Summa Cum Laude from UCLA. While studying there, she co-authored a proof and presented it at a conference. After she and Mayim Bialik — star of Blossom and a PhD in neuroscience — appeared in a 20/20 episode about intellectual actresses, several literary agents came knocking on her door.
Submission + - New and Improved Deadly Snail Venom
SoyChemist writes: In 2004, the FDA approved the cone snail venom ziconotide (Prialt) for the treatment of chronic pain. It is only used for severe cases because it must be injected directly into the spinal column. This month, researchers from the University of Utah have reported the discovery of a new snail venom with a completely different amino acid sequence. Because it very selectively attaches to and blocks nerve signals by binding to a particular type of acetylcholine receptor without causing any collateral damage, the newly discovered venom could also become a fantastic medical tool.
Submission + - Upcoming Film Based on Arthur C. Clarke Story
SoyChemist writes: The Wired Science blog has production stills and a story about a side project that several Industrial Light and Magic employees have been working on. They are producing the short story Maelstrom II as an independent film. The entire thing was shot in front of a bluescreen so that all of the sets and props will be CGI. The lone actor, Chuck Marra, plays a guy that hitches a ride on an electromagnetically launched freight capsule from the moon to earth. When the nuclear reactor that powers the catapult fails, he is thrown into space, but not far enough to escape lunar gravity — leading to an Apollo 13 style rescue mission. The original story was written by Arthur C. Clarke, author of 2001: A Space Odyssey.
Submission + - Polyethylene Bulletproof Vests better than Kevlar
teflonscout writes: When I think of bulletproof vests, the first word that comes to mind is Kevlar. Wired is running a story on Dynema SB61, a bulletproof material that is made of polyethylene. It is a higher grade of the plastic found in Tupperware. The story also mentions the recall of Second Chance bulletproof vests that were made from Zylon, a material that degraded slowly when exposed to moisture. At least one police officer was injured when a bullet penetrated his Zylon vest. Polyethylene is impervious to moisture. The first vests made from this new material are 5mm thick and can stop at 9mm bullet traveling at 1777 feet per second, which is slightly better than other top of the line vests.
Slashdot Top Deals
If you teach your children to like computers and to know how to gamble then they'll always be interested in something and won't come to no real harm.
