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Yale Researchers Find New Cause of Climate Change: Trees

By Guest PostAugust 10, 2012Environmentangelita williams, cause, climate change, connecticut, diseased trees, emissions, fungus, global warming, greenhouse gas, groundbreaking, methane concentration, methane gas, methanogens, natural gas, organisms, rotting trees, trees, upland forest, yale, yale myers forest

Researchers at the Yale School of Forestry & Environmental Studies have discovered that diseased trees may be a significant cause of global warming. The university’s researchers tested the trees at the Yale Myers Forest near their campus in Connecticut and discovered that rotting trees release a significant amount of methane gas, a highly flammable type of natural gas that can cause climate change in large quantities. The trees at the Yale Myers Forest produce emissions that are equivalent to burning 40 gallons of gas per acre of forest per year.

In their academic report on this matter, “Elevated Methane Concentrations in Trees of an Upland Forest,” the Yale University research team noted that trees that release methane gas look just like ordinary trees on the outside. However, on the inside, they’re being eaten alive by fungus. And the fungus that rots these trees helps fuel methane production because it makes the trees a hospitable breeding ground for methanogens, tiny organisms that create methane. (more…)

Not a One-Way Street: Evolution Shapes Environment of Connecticut Lakes

By Guest PostMay 24, 2012Environment, Naturealewife, atlantic coast, bosminia, colonial settlers, colonial times, connecticut, daphnia, david post, ecology, environmental change, evolution, evolutionary change, evolutionary feedback, fish, force, genetic changes, john delong, lake, loop, matthew r walsh, organism, plankton, population growth, predator, prey, torrance hanley, water fleas, yale university, zooplankton

Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger fundamental changes in the environment.

Yale University researchers found a prime example of this evolutionary feedback loop in a few lakes in Connecticut, where dams built 300 years ago in Colonial times trapped a fish called the alewife.

In a study published May 23 in the journal Proceedings of the Royal Academy B, the Yale team describes how this event fundamentally changed the structure of the alewife and, with it, the water flea that the alewife feeds upon and the food chain that supports them both. (more…)

Rebuilding a Heart, Saving a Life

By Guest PostApril 19, 2012Healthamerican patient, angela irizarry, birthday, blood vessel, blue babies, bone marrow, bridgeport, cardiac surgeon, christopher breuer, circulatory system, claudia irizarry, congenital heart defect, connecticut, fda, function, gary kopf, hypoplastic, infection, inflammatory response, left heart syndrome, mark saltzman, natural cell, operation, organ, oxygenated blood, polymer, synthetic grafts, synthetic nature, tissue engineered, toshi shinoka, united states, yale doctor, young girl

A young girl in Bridgeport, Connecticut, born with one of the most serious, life-threatening congenital heart defects known, is on her way to living a normal life thanks to Yale doctors who developed and performed the first operation of its kind in the United States.

Angela Irizarry was the first American patient to receive a tissue-engineered blood vessel made of her own natural cells. (more…)

Non-cancerous Brain Tumors Linked to Frequent Dental X-rays

By Guest PostApril 11, 2012Healthbrain tumor, california, central nervous system, connecticut, dental xrays, elizabeth claus, joellen schildkraut, joseph wiemels, lisa calvocoressi, margaret wrensch, massachusetts, melissa bondy, meninges, meningioma, motor control, non cancerous, north Carolina, panorex dental exam, texas, yale

People who received frequent dental X-rays in the past, before dosages were lowered, have an increased risk of developing a meningioma, the most common and potentially debilitating type of non-cancerous brain tumor, a new study led by the Yale School of Public Health has found. The study is published online in Cancer, a journal of the American Cancer Society.

Meningioma is listed as a rare disease by the National Institutes of Health. The estimated incidence is up to 8 out of 100,000 people, and it occurs more frequently among women than men. Although it is the most frequently diagnosed type of brain tumor, meningioma is listed as a rare disease by the National Institutes of Health. Tumors develop in a membrane that envelops the brain and the central nervous system known as the meninges. They can grow undetected for years and eventually reach the size of a baseball or larger. While they are not cancerous, they can cause debilitating side effects such as headaches, vision problems, and loss of speech and motor control. (more…)

Yale Center for British Art to partner with Google on expanded Art Project

By Guest PostApril 4, 2012Culture, Technologyamy meyers, art, art project, british art, connecticut, george stubbs, Google, google art project, john frederick herring, joshua reynolds, museum, synthesis, Technology, the harvest, thomas gainsborough, thomas rowlandson, united kingdom, united states, william hogarth, yale center

The Yale Center for British Art is partnering with the Google Art Project to share the museum’s renowned collections with viewers around the world. The collaboration is part of a major global expansion of the pioneering Art Project, which now consists of 151 partners in 40 countries.

The Yale Center for British Art — which houses the largest collection of British art outside the United Kingdom — is one of only six university museums in the world to collaborate with Google. It is one of only 29 institutions in the United States and is the only museum in Connecticut to participate. (more…)

Landscape Change Leads to Increased Insecticide Use in U.S. Midwest

By Guest PostJuly 19, 2011Environmentagricultural landscapes, annual insecticide application, bioenergy crops, claudio gratton, connecticut, crop diversity, cropland, doug landis, entomologis, great lakes bioenergy research center, insecticide, landscape ecologist, landscape simplification, long term ecological research, lter, michigan, midwest, nancy huntly, national science foundation, natural habitat, nsf, switchgrass, tim meehan, university of wisconsin-madison

*Growth of cropland, loss of natural habitat to blame*

The continued growth of cropland and loss of natural habitat have increasingly simplified agricultural landscapes in the Midwest.

In a study supported in part by the National Science Foundation’s (NSF) Kellogg Biological Station Long-Term Ecological Research (LTER) site in Michigan–one of 26 such NSF LTER sites around the world–scientists concluded that this simplification is associated with increased crop pest abundance and insecticide use. (more…)

Aspiring Journalist Also Sets Her Sights on Winning A National Pageant

By Guest PostJune 24, 2011Cultureafrican-american women, alpha phi alpha fraternity, atlanta, CNN, connecticut, dwight hall, ebony magazine, georgia, gold pageant, journalism, liane membis, miss black, miss black america pageant, miss congeniality, miss gold, new york, nigeria, ruth whitney scholarship, women in communications foundation, world cup soccer, yale daily news, zeta chapter

In the spring of last year, Yale junior Liane Membis acted on a whim and found it opened up opportunities she never before considered.

That was when she made a spontaneous decision to take part in the Miss Black and Gold pageant sponsored by the Yale-based Zeta chapter of the Alpha Phi Alpha fraternity. She was completely surprised when she won the runner-up distinction of Miss Gold — as well as the title of Miss Congeniality — in the contest, which celebrates the achievements of African-American women. (more…)

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