Tag: "penguin" at biology news

Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds

... through the jungle to get a Bud Ice. Indeed, the penguin seems to be on every advertiser's fantasy list the...est research shows that birds from the Punta Tombo penguin reserve in southern Argentina sometimes travel more than 300 miles from their nesting sites. Boersma...

Increasing Frequency Of El Nino Takes Toll On Northern Hemisphere's Only Penguins

...f the long-term effects of El Nino on theGalapagos penguin population was published in the May issue of the j...a Nina events, could continue reducingthe islands' penguin population. "I'm certainly not at all convinced that the Galapagos penguin is going to goextinct be...

Tourists And Scientists Could Be Bringing Deadly Diseases To Antarctica's Wildlife

...commonly found in chickens in the blood of Emperor penguin chicks andadult Ad'lie penguins near the Australian base of Mawson (Nature, vol 387, p245). This infectious bursal disease virus (IBDV) suppresses birds' immunesystems, making them susceptible to other diseases. The Hobart meeting reviewed mo...

Cold water off Brazil might be causing Argentine penguin nest failures

...ar-distant food supply could be a major culprit in penguin nest failures now occurring in Argentina. It is no...ing the adult penguins so long to return. A female penguin stays on the nest and fasts while the male goes for food. Typically the male is gone about two weeks...

Waddling is a good way to make up for short legs - at least for penguins, say UC Berkeley researchers

... "Penguin Encounter" exhibit, a large refrigerated penguin city housing some half dozen penguin species. With the help of Sea World staff, the UC Berkeley scientists and their student team nudged ...

Antarctic remediation underway

...ape Hallett and has recommended steps to safeguard penguin chicks at a nearby rookery from melt pools contami...s underway, the team discovered a number of Adelie penguin chicks whose feathers appeared to be contaminated with oil. The source of the contamination appears ...

Antarctic mud reveals ancient evidence of global climate change

...apidly melting glaciers to unexplained declines in penguin populations. Records show that average winter temperatures are 10 degrees higher in parts of Antarctica today than they were 50 years ago. If that warming trend continues, say many climate experts, the vast Antarctic ice sheets could melt, causing c...

Giant icebergs, unprecedented ice conditions threaten Antarctic penguin colonies

...olated one of the continent's most populous Adelie penguin colonies, making it difficult for the birds to ret... men of Scott's party to collect the first Emperor penguin eggs from Cape Crozier. Early in the 20th century, the eggs were scientific curiosities because Emp...

Icebergs devastating impact on Antarctic marine life revealed by satellite data

...a large gull that feeds on chicks and the eggs. So penguin breeding success was much lower last year. Curren...wedged against Ross Island site of several large penguin rookeries. Now the penguins have another obstacle they have to get around, Arrigo said. Not only do ...

Falklands penguins forage far enough from home to get into trouble

...ds, have monitored behavior and movements of three penguin species Gentoos, Rockhoppers and Magellanics. Th..., and there is evidence that some of the Falklands penguin species already are suffering declining numbers, Boersma said. "The penguins don't pay attention to ...

A message from nature to muskrats: 'Dont chill out'

..., or lower than resting metabolic rates in several penguin species (gentoo, king, emperor), as well as southern elephant seals. Since oxygen affinity of mammalian hemoglobin is typically increased in cold, a reduced sensitivity to temperature may serve to maintain the unloading of oxygen to cooled tissues d...

Antarctic penguins thrive in ocean 'oases'

...s, to a great extent, the increase and decrease in penguin population. "It's the first time anyone has ever l...alif. "No one had any idea how tightly coupled the penguin populations would be to the productivity of these polynyas. Any changes in production within these p...

Abandoned penguin colonies may help refine Antarctic climate studies

... The analysis also indicates that the large Adelie penguin colonies that now exist on Ross Island in McMurdo ... ice that could eventually cause an abandonment of penguin colonies, scientists in the future could interpret the abandonment as evidence of a cooling trend. ...

Penguin bones from 'land of fire' rewrite bird's evolution

...ilized bones are sufficiently different from known penguin anatomy to rewrite the story of penguin evolution. Tierra del Fuego, the southernmost portion of the South American continent, means "land o...

Patagonia's coastal wildlife receive a protective boost by Argentine government

...outhern sea lions, and some of the world's largest penguin colonies recently received a protective boost, whe...long Patagonia's rugged coastline. Two species of penguin breed here, including a concentration of Magellanic penguins at Punta Tombo that numbers in the hund...

Penguins ingest mollusk shells to obtain calcium for thicker eggshells

... virtually impossible for a prospective Magellanic penguin mother to find or build a soft spot to lay her egg...rd surfaces and survive being kicked around during penguin fights. But it takes a lot of extra calcium to produce thicker shells, and a penguin can't just run ...

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(Date:4/18/2014)... by Northwestern Medicine scientists could lead to potential new ... people with scleroderma. , Fibrosis, or scarring, is ... the skin and lungs can lead to serious organ ... for new therapeutic options centers on findings made by ... identified the role that a specific protein plays in ...
(Date:4/17/2014)... first genetic variant specifically associated with the risk ... 10-15 per cent of all breast cancer cases. ... cancer sub-type, called invasive lobular carcinoma, gives researchers ... particular kind of breast cancer, which can be ... (Thursday) in the journal PloS Genetics , ...
(Date:4/17/2014)... published today in PLOS Pathogens , children who ... common can mount an immune response to infection with ... bouts of high fever and illness and partially control ... findings may help researchers develop future interventions that prevent ... , Each year, approximately 200 million cases of malaria ...
(Date:4/17/2014)... Two recent papers by a University of ... help scientists develop treatments or vaccines for Dengue ... and other disease-causing flaviviruses. , Jeffrey S. Kieft, ... at the School of Medicine and an early ... and colleagues recently published articles in the scholarly ...
(Date:4/17/2014)... A Northwestern University synthetic biology team has created ... create programmable therapeutics that could travel the body ... disease. , Engineering cell-based, biological devices that monitor ... in clinical synthetic biology. However, no existing technology ... a patient,s physiological state and respond in a ...
Breaking Medicine News(10 mins):Health News:New clues on tissue scarring in scleroderma 2Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 2Health News:First genetic link discovered to difficult-to-diagnose breast cancer sub-type 3Health News:Study sheds light on how the immune system protects children from malaria 2Health News:CU researchers discover target for treating dengue fever 2Health News:Building 'smart' cell-based therapies 2
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