Climate change isolates Rocky Mountain butterflies
...olled fires) in order to manage forest growth, has created the tenuous condition for the alpine butterflies, said Jens Roland, a biological scientist at the University of Alberta. The alpine Apollo butterfly (Parnassius) inhabits open meadows because they, like other types of butterflies, need sunlight to ...Newly created cancer stem cells could aid breast cancer research
...ow the lab of Whitehead Member Robert Weinberg has created such cells in a Petri dish by isolating and transf...rompted Ince to wonder whether the cancer cells he created would metastasize if the mouse lived longer. He repeated the experiment in other mice, reducing the ...MIT creates 3-D images of living cell
...ive state. Using the new technique, his team has created three-dimensional images of cervical cancer cells,...orb much visible light, so the researchers instead created their images by taking advantage of a property known as refractive index. Every material has a well-...OHSU turns mouse into factory for human liver cells
...ose disadvantages have been engineered out. It has created a severely immunodeficient mouse strain that develops liver disease only when the animals don't receive a protective drug called NTBC, allowing liver disease to be turned on and off. "Our mice on this medicine are perfectly healthy, normal mice, an...Computer graphics spills from milk to medicine
...Award winning computer graphics researcher. Jensen created the model with two colleagues from the Technical University of Denmark Niels Jrgen Christensen, an associate professor, and Jeppe Revall Frisvad, a Ph.D. student. On August 8, 2007, the new graphics research will be presented at the Association fo...Biologist traces coconut's history through DNA
...activity. This early dispersal is expected to have created a genetic signature that can be traced by examining the genetic structure of plants sampled across the species range. Superimposed on this ancient phylogeographic structure is the more recent history of human dispersal, cultivation and domesticatio...ASM's new media campaigns take the gold
...for Microbiology. Elio, as he is known to readers, created Small Things Considered to share his appreciation for the width and depth of the microbial activities on this planet, and emphasizes the unusual and the unexpected phenomena for which he has a special fascination....Scientists prove that disputed Korean stem cell line comes from an unfertilized egg and not cloning
...enogenetic ES (pES) cells are derived from embryos created by artificial activation of eggs in the absence of... transfer (ntES) are derived from embryos that are created when the nucleus of an egg is replaced by the nucleus from a body cell. Creation of human ntES are p...Discredited Korean embryonic stem cells' true origins revealed
... Program demonstrates that the Koreans unwittingly created something entirely different the world's first hu...activation of unfertilized eggs); and from embryos created through somatic cell nuclear transfer (replacing the nucleus of an egg with the nucleus from a cell ...Gold nanoparticles may pan out as tool for cancer diagnosis
...ecious metal. Purdue University researchers have created gold nanoparticles that are capable of identifying marker proteins on breast cancer cells, making the tiny particles a potential tool to better diagnose and treat cancer. The technology would be about three times cheaper than the most common current ...'The Man Who Saved The Sea Turtles'
...er the world. In so doing, Carr, who died in 1987, created the template for many successful environmental campaigns that followed. Now, a Florida State University historian has documented Carrs life and analyzed his lasting impact in a new biography. Frederick R. Davis, an assistant professor of history at...American buffalo slaughter fueled by international trade
...of a decade was initiatied by a tanning innovation created in Europe, and maintained by a robust European demand for buffalo hides for use as industrial leather. Taylor used international trade records and first-person accounts of the hunt to show that that the widespread slaughter of bison between 1870 an...Scientists move closer to bio-engineered bladders
...ew bladders. Currently, substitute bladders can be created by using a section of the patient's bowel, but this can lead to complications, as the bowel does not have the same urine-holding properties as urothelial cells. One solution could be to use laboratory-grown urothelial cells to line a section of bowel...New aerogels could clean contaminated water, purify hydrogen for fuel cells
...s at Northwestern and Michigan State universities, created and characterized porous semiconducting aerogels at Argonne's Advanced Photon Source (APS). The researchers then submerged a fraction of a gram of the aerogel in a solution of mercury-contaminated water and found that the gel removed more than 99.99 ...Geisinger scientist seeks cure for Lou Gehrig's disease, creating device to find treatment
... research scientist and some college students have created the perfect storm of sorts in an attempt to find a cure for one of the worlds most devastating neurological diseases. On initial glance, there doesnt seem to be much in common between zebrafish, researcher Glenn S. Gerhard, MD and a trio of Bucknel...Nottingham biosciences million pound injection
... of bone defects and fractures. RegenTec Ltd was created to build on the world-changing research carried out by scientists at The University of Nottingham, Britains University of the Year. With support from the East Midlands Development Agency, the company has invented a unique material that works with ste...Hepatitis C helicase unwinds DNA in a spring-loaded, 3-step process
...ble-stranded host DNA during infection. The duplex created for the experiment included both single- and double-stranded DNA; fluorescent labels were located in the double-stranded region.) By tracking the gradually increasing distance between the two marked nucleotides as the strands separated in an unwind...Boston Univeristy bioengineers devise 'dimmer swith' to regulate gene expression in mammal cells
Three Boston University biomedical engineers have created a genetic dimmer switch that can be used to turn on, shut off, or partially activate a genes function. Professor James Collins, Professor Charles Cantor and doctoral candidate Tara Deans invented the switch, which can be tuned to produce large or sma...Study points to new way to predict death risk from torn aorta
... scans: the presence of blood clots in the channel created when the layers of the aorta separate like two layers of an onion. This channel, called the false lumen, runs alongside the true lumen, which is the hollow middle area of the aorta that acts as the pipeline for blood to flow out of the heart and down...Researchers watch antibiotics, bacteria meet at atomic level
...the RNA polymerase from T. thermophilus. They then created an active elongation complex by mixing the enzyme with small molecules of DNA and RNA. This solution hardened into a crystal, which the researchers could then examine using an imaging technique called X-ray crystallography. X-ray crystallography le...