In the News
Fossilized Cashew Nuts Reveal Europe Was Important Route Between Afric
Cashew nut fossils have been identified in 47-million year old lake sediment in Germany, revealing that the cashew genus Anacardium was once distributed in Europe, remote from its modern 'native'distribution in Central and South America. It was previously proposed that Anacardium and its African sister genus, Fegimanra, diverged from their common ancestor when the landmasses of Africa and South America separated. However, this groundbreaking new data indicate that Europe may be an important biogeographic link between Africa and the New World. Angioplasty Procedure Has Potential To Damage Kidneys, Research Shows
The most common procedure for clearing blocked kidney arteries can also release thousands of tiny particles into the bloodstream that can impair kidney function, according to researchers from Wake Forest University Baptist Medical Center and colleagues. Early Stage Breast-cancer Rates Are Rising As Incidence Of Invasive Ca
Since 1980, the incidence of ductal carcinoma in situ has increased more than sevenfold while the incidence of invasive breast cancer has leveled off. Both trends suggest that widespread mammography screening, among other factors, are catching breast cancer earlier. Retinal Stem Cells Can Regenerate After Transplant
University of Toronto researchers have shown that human retinal stem cells transplanted into the eyes of mice and chicks can successfully regenerate. NASA Goes 'Down Under' For Shuttle Mapping Mission Finale
Culminating more than four years of processing data, NASA and the National Geospatial-Intelligence Agency have completed Earth's most extensive global topographic map. Penn Researchers Discover Key To How SARS Virus Infects Cells
Researchers from the University of Pennsylvania School of Medicine have found that inhibitors of an enzyme called cathepsin L prevent the SARS (severe acute respiratory syndrome) virus from entering target cells. This study also demonstrates a new mechanism for how viral proteins are activated within host cells. Major Climate Change Occurred 5,200 Years Ago: Evidence Suggests That
Glaciologist Lonnie Thompson worries that he may have found clues that show history repeating itself, and if he is right, the result could have important implications to modern society. Thompson has spent his career trekking to the far corners of the world to find remote ice fields and then bring back cores drilled from their centers. Within those cores are the records of ancient climate from across the globe. Teaching With Historic Places Lesson Plans: Paterson, New Jersey: Amer
This lesson focuses on Paterson, New Jersey, which was known as "Silk City"in the late 19th and early 20th centuries when the town produced large quantities of silk fabric. "In 1913, however, the mills stood silent for five months as workers joined in a bitter strike."The website features readings about labor history in the town, maps, and historic images of mills, looms, dye houses, and other industrial scenes. From the National Park Service. Broccoli and Other Vegetables Linked with Decreased Risk of Aggressive
Eating more cruciferous vegetables like broccoli and cauliflower is associated with a reduced risk of aggressive prostate cancer. Several studies have demonstrated an association between eating vegetables and a reduced risk of prostate cancer, but study results have not been consistent and many have not investigated the association among patients with aggressive prostate cancer. Egg's Energy Stores Key To Preserving Fertilityhttp://www.sciencedaily
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