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Reindeers’ eyes change colour with Arctic seasons

By Guest PostNovember 1, 2013Naturearctic light, arctic reindeer, arctic seasons, colour change, light of summer, reindeer eyes, sensitivity of retina, tissue in eye

The eyes of Arctic reindeer change colour through the seasons from gold to blue, adapting to extreme changes of light levels in their environment and helping detect predators. (more…)

UA Celebrates Native American Heritage Month

By Guest PostNovember 1, 2013Cultureheritage month, native american, navajo people, oglala sioux woman, student

November is Native American Heritage Month. The UA will celebrate with a variety of events, kicking off on Friday

The University of Arizona will celebrate Native American Heritage Month starting Friday followed by a full slate of activities, seminars, a film showcase and public television programming. (more…)

Newspaper web ads not to blame for print advertising decline

By Guest PostNovember 1, 2013Technologyad spending, adspender database, advertising technology, browsing history, kantar media, lost revenue, newspaper web ads, online ads, print advertising decline, s sriram, shrihari sridhar, university of michigan, user

ANN ARBOR — An open question as the newspaper industry struggles with declining revenues and profits is whether online ads cannibalize print advertising.

New research from S. Sriram, assistant professor of marketing at the University of Michigan Ross School of Business, finds that’s not the case. Analyzing five years of data from a top newspaper showed less than 8 percent of the print advertising decline was due to a shift to online ads on the paper’s website. (more…)

UCLA scientist uncovers biological clock able to measure age of most human tissues

By Guest PostNovember 1, 2013Health, Scienceage, age predictive tool, biological clock, cancer, cancer in women, chronological age, dna methylation levels, embryonic stem cell, genome biology, hormones, human aging process, human tissues, saliva, stem cell research, steve horvath, telomeres, ucla scientist

Study finds women’s breast tissue ages faster than the rest of the body

Everyone grows older, but scientists don’t really understand why. Now a UCLA study has uncovered a biological clock embedded in our genomes that may shed light on why our bodies age and how we can slow the process.

Published in the Oct. 21 edition of the journal Genome Biology, the findings could offer valuable insights to benefit cancer and stem cell research. (more…)

Petition gegen Vogelmord in Ägypten

By Guest PostOctober 31, 2013Natureillegale vogeljagd mittelmeer, vogelfang aegyptische kueste, vogelmord in aegypten, zugvoegel schutz aegypten

Stoppt den Fang und Abschuss von europäischen Zugvögeln in Ägypten!

Petition unterzeichnen
Petition ausdrucken und Unterschriften sammeln
English information

Auch in diesem Herbst sind Millionen von Vögeln, darunter seltene und gefährdete Arten, in Fangnetzen entlang der gesamten ägyptischen Mittelmeerküste verendet und auf dem Grill gelandet sind. Berichte und Bilder zeigen das erschreckende Ausmaß des Vogelmords. Der NABU hat im April dieses Jahres eine Kampagne gegen den maßlosen Fallenfang von Zugvögeln in Ägypten gestartet. (more…)

New material for quantum computing discovered out of the blue

By Guest PostOctober 31, 2013Scienceblue pigment, copper phthalocyanine, matter, organic semiconductor, quantum computer, quantum properties

A common blue pigment used in the £5 note could have an important role to play in the development of a quantum computer, according to a paper published in the journal Nature. (more…)

UW work contributes to largest international study of Alzheimer’s genes

By Guest PostOctober 31, 2013Healthalzheimer's disease, alzheimers genes, amyloid precursor protein, annette fitzpatrick, autoimmune disorder, brain cell, bruce psaty, cell migration, cognitive decline, debby tsuang, gene, genomics of alzheimer, inflammation, international study, joshua bis, lipid transport, multiple sclerosis, neurodegenerative disease, paul k crane, tau protein

Eleven regions of the human genome have been newly discovered to influence the onset of Alzheimer’s disease. The findings stem from the largest international study ever conducted on this disorder, which causes gradual memory loss and other forms of cognitive decline in older people.

As of 2009, 10 genes were known to be related to Alzheimer’s, the result of about a quarter-century of research. Yet the reasons behind individual susceptibility or resistance to the disease continued to be poorly understood. In February of 2011, four international research groups studying Alzheimer’s disease genetics united to more quickly identify other genes related to the disorder. (more…)

The People’s Choice: Americans Would Pay to Help Monarch Butterflies

By Guest PostOctober 31, 2013Natureamericans would pay, california, caterpillars, corn, economic valuation survey, genetically modified, herbicide tolerant crops, iconic butterfly, jay diffendorfer, karen oberhauser, Mexico, migratory species, monarch butterflies, North America, pollinators, soybeans, united states, university of minnesota, us households, usgs scientist

Americans place high value on butterfly royalty. A recent study suggests they are willing to support monarch butterfly conservation at high levels, up to about 6 ½ billion dollars if extrapolated to all U.S. households.

If even a small percentage of the population acted upon this reported willingness, the cumulative effort would likely translate into a large, untapped potential for conservation of the iconic butterfly. (more…)

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