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Contagious Cancer: Genome Study Reveals How Tasmanian Devil Cancer Has Spread

Image courtesy of Save the Tasmanian Devil Program A killer cancer that is threatening to wipe Tasmanian devils off the map for good has been spreading from an original infected female 15 years ago via live cancer cells, according to evidence from genome sequences of the cancer and the animal, published online Thursday in Cell . Finding out how this happened could help save this species from extinction and it could also prepare researchers for the unlikely event that a contagious cancer ever appeared in humans. [More]

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Poachers Kill 200 Elephants During Six-Week Spree in Cameroon

By Tansa Musa YAOUNDE (Reuters) - Poachers have killed more than 200 elephants in Cameroon in just six weeks, in a "massacre" fuelled by Asian demand for ivory. A local government official said heavily armed poachers from Chad and Sudan had decimated the elephant population of Bouba Ndjida National Park in Cameroon's far north in a dry season killing spree.

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DNA Robot Kills Cancer Cells

By Alla Katsnelson of Nature magazine DNA origami, a technique for making structures from DNA, may be more than just a cool design concept. [More]

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Nanotechnology Turns Plants into Common Plastic

By Ben Hirschler LONDON (Reuters) - Dutch scientists have found a way of turning plant matter into the building blocks of common plastics using a nanotechnology process that offers an alternative to oil-based production. The team from Utrecht University and Dow Chemical Co produced ethylene and propylene - precursors of materials found in everything from CDs to carrier bags and carpets - after developing a new kind of iron catalyst made of nanoparticles. Existing bioplastics, which are made from crops such as corn and sugar, have only limited use as they are not exact substitutes for oil-based products

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Microchip Implant Gives Medication On Command

For people who face frequent needle jabs to treat chronic conditions, a new technology is on the horizon that might make treatment a lot less painful. [More]

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How the First Plant Came to Be

Earth is the planet of the plants--and it all can be traced back to one green cell. The world's lush profusion of photosynthesizers--from towering redwoods to ubiquitous diatoms--owe their existence to a tiny alga eons ago that swallowed a cyanobacteria and turned it into an internal solar power plant. [More]

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Nitrogen Pollution Likely to Increase Under Climate Change

Scientists have recently found humanity's nitrogen footprint on watersheds once thought to be isolated and pristine, indicating our impact on the world is more widespread than previously imagined. [More]

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U.S. Joins Coalition to Cut Methane and Soot

Secretary of State Hillary Rodham Clinton today will announce a $15 million, six-country coalition dedicated to curbing non-carbon dioxide pollutants that cause global warming. [More]

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I am science, and so can you!

Following up on my post yesterday about my own journey with science, I wanted to offer some words of encouragement to those who are still in the early stages of their own journey.

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Fruit Flies Use Alcohol to Self-Medicate, but Feel Bad about it Afterwards

This article is the second ( see the first here ) in a miniseries of five articles that will be posted over five days about civilization, fungus, and alcohol. The first four articles are already determined, but just how this series finishes up will be determined by the comments and ideas of readers. Sometimes scientists are asked if they have hobbies.

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