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Life Science News

Life science news and current events. The latest breaking life science current events, news stories, scientific discoveries, articles, studies and research from Brightsurf Science News.

Shifting bird distribution indicates a changing Arctic

Shifts in the distribution of Spectacled Eiders, a predatory bird at the top of the Bering Sea's benthic food web, indicate possible changes in the Arctic's marine ecosystem, according to new research in The Condor: Ornithological Applications. (2016-06-01)

New blood test for the detection of bovine TB

A new blood test to detect Mycobacteria in blood has been developed by a team at The University of Nottingham led by Dr Cath Rees, an expert in microbiology in the School of Biosciences and Dr Ben Swift from the School of Veterinary Medicine and Science. (2016-06-01)

Ecologists advise an increase in prescribed grassland burning to maintain ecosystem

Kansas State University researchers have found a three-year absence of fire is the tipping point for the tallgrass prairie ecosystem and advise an increase in burning. (2016-06-01)

Newly discovered gene regulates hyperglycemia-induced beta cell death in type 2 diabetes

It's no secret that over time, elevated levels of blood glucose (hyperglycemia) can induce the death of the pancreatic beta cells. (2016-06-01)

Zika virus infects human placental macrophages

One of Zika's mysteries is how the virus passes from an infected mother, through the placenta, to a developing fetus. (2016-05-31)

Mouse study links heart regeneration to telomere length

Researchers at the Spanish National Center for Cardiovascular Research have discovered that the ends of heart muscle cell chromosomes rapidly erode after birth, limiting the cells' ability to proliferate and replace damaged heart tissue. (2016-05-31)

How Zika infects the placenta

Zika virus can infect and replicate in immune cells from the placenta, without killing them, scientists have discovered. The finding may explain how the virus can pass through the placenta of a pregnant woman, on its way to infect developing brain cells in her fetus. (2016-05-31)

Alternative odor receptors discovered in mice

Smell in mammals turns out to be more complex than we thought. (2016-05-27)

Slime mold reveals clues to immune cells' directional abilities

How white blood cells in our immune systems home in on and engulf bacterial invaders--like humans following the scent of oven-fresh pizza--has long been a mystery to scientists. (2016-05-27)

Antarctic fossils reveal creatures weren't safer in the south during dinosaur extinction

A study of more than 6,000 marine fossils from the Antarctic shows that the mass extinction event that killed the dinosaurs was sudden and just as deadly to life in the polar regions. (2016-05-26)

Scientists explore new concepts of plant behavior and interactions

Plants 'talk' to each other through mycorrhizal networks, but can we eavesdrop on what plants are talking about? (2016-05-26)

Human amyloid-beta acts as natural antibiotic in the brains of animal models

A new study from Massachusetts General Hospital (MGH) investigators provides additional evidence that amyloid-beta protein - which is deposited in the form of beta-amyloid plaques in the brains of patients with Alzheimer's disease - is a normal part of the innate immune system, the body's first-line defense against infection. (2016-05-26)

Prenatal fruit consumption boosts babies' cognitive development

Most people have heard the old adage "an apple a day keeps the doctor away." It's an old truth that encompasses more than just apples--eating fruit in general is well known to reduce risk for a wide variety of health conditions such as heart disease and stroke. (2016-05-26)

'Phage' fishing yields new weapon against antibiotic resistance

Yale researchers were fishing for a new weapon against antibiotic resistance and found one floating in a Connecticut pond, they report May 26, 2016 in the journal Scientific Reports. (2016-05-26)

The taste or smell of foods can affect aging, say scientists

Animals can perceive changes in many environmental factors such as temperature and the taste or smell of foods. (2016-05-26)

Ecosystems with many and similar species can handle tougher environmental disturbances

How sensitive an ecosystem is to unforeseen environmental stress can be determined, according to Daniel Bruno, previous visiting researcher at UmeƄ University. (2016-05-26)

Is aging inevitable? Not necessarily for sea urchins

Sea urchins are remarkable organisms. They can quickly regrow damaged spines and feet. (2016-05-26)

Antiretroviral therapy may not be enough to reduce HIV-associated arterial inflammation

Initiating antiretroviral therapy (ART) soon after diagnosis of an HIV infection did not prevent the progression of significant arterial inflammation in a small group of previously untreated patients. (2016-05-26)

Coral bleaching 'lifeboat' could be just beneath the surface

A report commissioned by the United Nations and co-authored by the University of Sydney's UNESCO Chair in Marine Science offers a glimmer of hope to those managing the impact of bleaching on the world's coral reefs, including the Great Barrier Reef. (2016-05-25)

A 100-million-year partnership on the brink of extinction

A relationship that has lasted for 100 million years is at serious risk of ending, due to the effects of environmental and climate change. A species of spiny crayfish native to Australia and the tiny flatworms that depend on them are both at risk of extinction, according to researchers from the UK and Australia. (2016-05-25)

New tools to manipulate biology

Chemistry has provided many key tools and techniques to the biological community in the last twenty years. We can now make proteins that Mother Nature never thought of, image unique parts of live cells and even see cells in live animals. (2016-05-25)

Study of fungi-insect relationships may lead to new evolutionary discoveries

Zombie ants are only one of the fungi-insect relationships studied by a team of Penn State biologists in a newly compiled database of insect fungi interactions. (2016-05-25)

New study surveys genetic changes linked with Parkinson's disease

After Alzheimer's, Parkinson's disease (PD) is the leading neurodegenerative disorder, affecting close to a million Americans, with 50,000 new cases diagnosed every year. A progressive disorder of the nervous system affecting movement, PD typically strikes adults in mid-life. (2016-05-25)

Recent progress in tracking the viability of transplanted stem cells in vivo

Noninvasive cell-tracking methods are indispensable for assessing the safety and efficacy of stem-cell based therapy. Thus, the research of noninvasive cell-tracking methods for determining in vivo the translocation and long-term viability of the transplanted stem cells have received considerable attention. (2016-05-25)

Tiny wasp sniffs out, picks up 'good vibrations' to battle ash borer

With the emerald ash borer beetle devastating ash tree populations throughout the United States -- from locations as far north as Massachusetts and as far south as Louisiana -- solutions to help fight the insect are critical. (2016-05-25)

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