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October 03, 2012

Information Nation: Digital Social Experiment to Put a Human Face on Big Data

Scientific American - Posted: October 3rd, 2012, 9:56pm EDT
pImagine seeing life through one eyeball but then being given the ability to view the world through two or even three eyeballs at once. You would be greeted with not just more data about your surroundings but a better perspective of how all of that data fit together. a href=http://www.scientificamerican.com/article.cfm?id=human-face-big-data[More]/a

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Stumped by bed nets, mosquitoes turn midnight snack into breakfast

Scientific American - Posted: October 3rd, 2012, 9:36pm EDT
[caption id=attachment_1596 align=alignright width=400 caption=Anopheles mosquito (unknown source)] [/caption]One of the most effective methods for the control of spread of malaria is the use of bed nets infused with insecticides. Most species of mosquitoes (the Anopheles genus) that carry the malarial parasite ( Plasmodium falciparum ) are considered to be strictly nocturnal - they are active only during the night. a href=http://www.scientificamerican.com/blog/post.cfm?id=stumped-by-bed-nets-mosquitoes-turn-midnight-snack-into-breakfast[More]/a

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SARS Veterans Tackle Coronavirus

Scientific American - Posted: October 3rd, 2012, 7:10pm EDT
pFrom Nature magazine/p a href=http://www.scientificamerican.com/article.cfm?id=sars-veterans-tackle-coronavirus[More]/a

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Dung from Critically Endangered Kakapo Parrots Could Save Endangered Plant

Scientific American - Posted: October 3rd, 2012, 4:05pm EDT
A fossilized sample of thousand-year-old parrot dung has revealed a previously unknown ecological relationship that could help save a threatened parasitic plant from extinction.Yup, conservation science is sometimes weird. a href=http://www.scientificamerican.com/blog/post.cfm?id=dung-endangered-kakapo-parrots-save-plant[More]/a

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Super-Toxic Snake Venom Could Yield New Painkillers

Scientific American - Posted: October 3rd, 2012, 2:42pm EDT
[caption id=attachment_9016 align=alignleft width=300 caption=Image of black mamba snake courtesy of Wikimedia Commons/Bill Love/Blue Chameleon Ventures] [/caption]A bite from the black mamba snake ( Dendroaspis polylepis ) can kill an adult human within 20 minutes. But mixed in with that toxic venom is a new natural class of compound that could be used to help develop new painkillers. a href=http://www.scientificamerican.com/blog/post.cfm?id=super-toxic-snake-venom-could-yield-new-painkillers[More]/a

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Peeking At Doctors Notes Helps Patients

Scientific American - Posted: October 3rd, 2012, 12:47pm EDT
pEver wonder just what your doctor is furiously scribbling down in her notes as she examines you? Patients often still lack access to the notes their doctors take about their care./p a href=http://www.scientificamerican.com/podcast/episode.cfm?id=peeking-at-doctors-notes-helps-pati-12-10-03[More]/a

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Rechargeable Batteries Could Get New Life

Scientific American - Posted: October 3rd, 2012, 11:17am EDT
pEver wonder why some expensive lithium ion batteries go dead after a certain number of charges? Mystery solved.nbsp; Scientists now know the culprit is nickel, which is added during the manufacturing process to increase the batteryrsquo;s capacity./p a href=http://www.scientificamerican.com/podcast/episode.cfm?id=rechargeable-batteries-could-get-ne-12-10-03[More]/a

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Diminutive Dinosaur Bore Beak, Bristles and Fangs [Video]

Scientific American - Posted: October 3rd, 2012, 11:00am EDT
[caption id=attachment_9010 align=alignleft width=234 caption=Credit: Drawing by Todd Marshall] [/caption]Move over platypus, a recently discovered dinosaur may have bested you for the strangest combination of physical features. Two hundred million years ago, a two-foot- long, beaked biped covered in quills scampered about an area that is now part of South Africa. a href=http://www.scientificamerican.com/blog/post.cfm?id=diminutive-dinosaur-bore-beak-bristles-and-fangs-video[More]/a

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Costa Rica Poised to Ban Hunting as Sport in Latin America First

Scientific American - Posted: October 3rd, 2012, 8:21am EDT
pSAN JOSE (Reuters) - Costa Rica is poised to become the first Latin American country to ban hunting as a sport, after Congress on Tuesday provisionally approved reforms to its Wildlife Conservation Law./ppLawmakers voting on the ban voted 41 in favor and five against, and a second vote expected in the coming week is widely seen ratifying changes to the law, which aims to protect animals in one of the worlds most biodiverse countries./ppCosta Ricas national parks attract some 300,000 visitors annually, and tourism is a mainstay of the economy./ppWere not just hoping to save the animals but were hoping to save the countrys economy, because if we destroy the wildlife there, tourists are not going to come anymore, environmental activist Diego Marin, who campaigned for the reform, told local radio./ppJaguars, pumas and sea turtles are among the countrys most exotic and treasured species, and are often hunted or stolen as trophies./ppThe ban would not apply to hunting by some indigenous groups for survival, or to scientific research./ppThe Central American country is home to 4.5 million people. a href=http://www.scientificamerican.com/article.cfm?id=costa-rica-poised-to-ban-hunting-as[More]/a

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How Babies See Race

Scientific American - Posted: October 3rd, 2012, 8:00am EDT
pWhen babies are five months old, they can distinguish among faces of all races equally well. a href=http://www.scientificamerican.com/article.cfm?id=how-babies-see-race[More]/a

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Cellular Calls: Listening in on Bodys Protein Chatter May Lead to New Therapies

Scientific American - Posted: October 3rd, 2012, 8:00am EDT
pChemical communication between cells keeps tissues functioning and systems coordinated, but eavesdropping on the conversation is challenging. Now, researchers have developed a technique to identify signaling proteins before they leave the cell. The method could help determine which cells are sending which messages--a useful tool for analyzing the interactions occurring in the mixed populations in tissues. One possible application could reveal the cues that control stem cells--an insight that researchers hope could be applied to healing damaged tissues./p a href=http://www.scientificamerican.com/article.cfm?id=cellular-calls-listening[More]/a

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Drones to Take Flight in Nepals War on Poachers

Scientific American - Posted: October 3rd, 2012, 6:31am EDT
Conservationists in Nepal are about to launch a new airborne drone to keep watch over endangered animal populations in protected national forests. Several species including tigers and rhinos are the frequent target of poachers.

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