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Changing practices may raise African American women's breast cancer risk
A new study finds African American women derive similar breast cancer risk reductions associated with multiple births and breastfeeding as white women, but that recent trends may lead to a rising risk. (2004-06-07)

Multiple sclerosis: Immune cells silence neurons by removing synapses
Damage to the brain gray matter plays an important role in the progression of multiple sclerosis. This study now shows that such damage can be caused by inflammatory reactions that lead to loss of synapses, which impairs neural activity. (2021-01-26)

White dwarf pulses like a pulsar
New observations from Suzaku, a joint Japanese Aerospace Exploration Agency NASA X-ray observatory, have challenged scientists' conventional understanding of white dwarfs. Observers had believed white dwarfs were inert stellar corpses that slowly cool and fade away, but the new data tell a completely different story. (2008-01-02)

Brain chemical ratios help predict developmental delays in preterm infants
Researchers have identified a potential biomarker for predicting whether a premature infant is at high risk for motor development problems, according to a new study. (2013-12-17)

The truth behind racial disparities in fatal police shootings
In a sweeping and comprehensive review of every police shooting across the nation, researchers find that white police officers are not more likely to shoot minorities citizens than non-white officers. (2019-07-22)

Chasing dark matter with the oldest stars in the Milky Way
Just how quickly is the dark matter near Earth zipping around? The speed of dark matter has far-reaching consequences for modern astrophysical research, but this fundamental property has eluded researchers for years. In a paper published Jan. 22 in the journal Physical Review Letters, Princeton researchers provided the first clue: The solution to this mystery, it turns out, lies among some of the oldest stars in the galaxy.  (2018-01-24)

Possible progenitor of special supernova type detected
Using data from NASA's Chandra X-ray Observatory, scientists have reported the possible detection of a binary star system that was later destroyed in a supernova explosion. The new method they used provides great future promise for finding the detailed origin of these important cosmic events. (2008-02-13)

Weight gain worry for stressed black girls
Could the impact of chronic stress explain why American black girls are more likely to be overweight than white girls? According to Dr. Tomiyama of the University of California, Los Angeles in the US, and her colleagues, higher levels of stress over 10 years predict greater increases in body weight over time in both black and white girls. However, the experience of chronic stress appears to have a greater negative effect on black girls' weight. (2012-09-19)

Poverty in early childhood appears associated with brain development
Poverty in early childhood appears to be associated with smaller brain volumes measured through imaging at school age and early adolescence, according to a study published by JAMA Pediatrics, a JAMA Network publication. (2013-10-28)

Acute respiratory disease poses significantly greater risk for black Americans
Black Americans are nearly twice as likely to develop acute lung injury, or ALI, as white Americans, according to researchers at the Emory University School of Medicine in Atlanta. The study also revealed that black patients did not have a higher risk of in-hospital death when compared to white patients. (2009-05-19)

Certain older adults don't get to the hospital soon enough when experiencing a heart attack
For individuals experiencing a heart attack, delays in getting to the hospital can have life-threatening consequences. (2017-10-18)

Are cholesterol-lowering statins associated with reduced Alzheimer risk?
An analysis of Medicare data suggests that high use of cholesterol-lowering statins was associated with a reduced risk for Alzheimer disease but that reduction in risk varied by type of statin and race/ethnicity, findings that must be confirmed in clinical trials, according to a new article published online by JAMA Neurology. (2016-12-12)

Weizmann Institute scientists show white blood cells move like millipedes
Weizmann Institute scientists have shown that rather than inching along blood vessel walls to reach injured tissue, white blood cells sprout hundreds of (2009-05-04)

'Glowing' technique could detect river pollution
New technology (spectrophotometric techniques) used to analyse dissolved organic matter in river water could also help scientists detect and monitor pollution, according to new research by the University of Newcastle, UK. (2002-10-08)

HHU physicists: No evidence of an influence of dark matter on the force between nuclei
Although most of the universe is made up of dark matter, very little is known about it. Physicists from Heinrich Heine University Düsseldorf (HHU) led by Prof. Stephan Schiller have used a high-precision experiment to look for interaction between dark matter and normal matter. They presented their findings in today's edition of the journal NATURE. (2020-05-18)

Evolved stars locked in fatalistic dance
White dwarfs are the burned-out cores of stars like our sun. Astronomers have discovered a pair of white dwarfs spiraling into one another at breakneck speeds. Today, these white dwarfs are so near they make a complete orbit in just 13 minutes, but they are gradually slipping closer together. About 900,000 years from now -- a blink of an eye in astronomical time -- they will merge and possibly explode as a supernova. (2011-07-13)

Ultra-white coating modelled on beetle scales
Researchers have developed a super-thin, non-toxic, lightweight, edible ultra-white coating that could be used to make brighter paints and coatings, for use in the cosmetic, food or pharmaceutical industries. (2018-03-13)

Astronomers discover dizzying spin of the Milky Way galaxy's 'halo'
Astronomers at the University of Michigan's College of Literature, Science, and the Arts (LSA) discovered for the first time that the hot gas in the halo of the Milky Way galaxy is spinning in the same direction and at comparable speed as the galaxy's disk, which contains our stars, planets, gas, and dust. This new knowledge sheds light on how individual atoms have assembled into stars, planets, and galaxies like our own, and what the future holds for these galaxies. (2016-07-25)

Brain structure of infants predicts language skills at 1 year
Using a brain-imaging technique that examines the entire infant brain, researchers have found that the anatomy of certain brain areas - the hippocampus and cerebellum - can predict children's language abilities at one year of age. (2013-01-22)

Biracial Christian sisterhood laid groundwork for civil rights
A new book by Nancy Marie Robertson of the School of Liberal Arts of Indiana University-Purdue University Indianapolis explores how the Young Women's Christian Association, the nation's major national biracial women's organization, provided a unique venue for women to respond to American race relations during the first half of the twentieth century and laid the groundwork for the subsequent civil rights movement. (2007-07-30)

Collision of galaxy clusters captured by astronomers
Two UC Santa Barbara astronomers, Marusa Bradac and Tommaso Treu, are part of a team that has made a stunning discovery using the Hubble Space Telescope and Chandra X-ray Observatory. (2008-08-27)

Scientists refine the search for dark matter
Researchers from Lund University in Sweden, among others, have developed a more effective technique in the search for clues about dark matter in the universe. They can now analyse much larger amounts of the data generated at CERN. (2018-10-29)

Food labels can reduce livestock environmental impacts
With global food demand expected to outpace the availability of water by the year 2050, consumers can make a big difference in reducing the water used in livestock production. (2014-10-15)

Combined observations of neutron stars constrain their equation of state and the Hubble constant
Combining signals from multiple observations of neutron stars has allowed researchers to better understand the properties of ultra-dense matter and constrain the Hubble constant, which describes how fast the Universe is expanding, according to a new study. (2020-12-17)

New genetic research finds shark, human proteins stunningly similar
Despite widespread fascination, the world's oldest ocean predators have long been a genetic mystery. The first deep dive into a great white shark's genetic code has fished up big surprises. Cornell researchers have discovered that many of the endangered great white shark's proteins involved in an array of different functions -- including metabolism -- match humans more closely than they do zebrafish, the quintessential fish model. (2013-12-05)

Cancer-preventive potential of white tea
Known mostly to tea connoisseurs, white tea may have the strongest potential of all teas for fighting cancer, according to Oregon State University researchers. They will present their research today -- the first on white tea -- at the 219th national meeting of the American Chemical Society, the world's largest scientific society. (2000-03-20)

You're more likely to do sport if you are white, middle class, and middle-aged
The comfortably off, white, and middle-aged are the most likely to participate in sporting activities, reveals a 10 year study published ahead of print in the British Journal of Sports Medicine. (2008-07-23)

Abnormal brain connections seen in preschoolers with autism
Preschoolers with autism spectrum disorder, or ASD, have abnormal connections between certain networks of their brains that can be seen using a special MRI technique, according to a new study. Researchers said the findings may one day help guide treatments for ASD. (2018-03-27)

Why white, older men are more likely to die of suicide
An important factor in white men's psychological brittleness and vulnerability to suicide once they reach late life may be dominant scripts of masculinity, aging and suicide, a Colorado State University psychology researcher says. (2016-01-05)

Astronomers discover largest-ever dark matter structures spanning 270M light-years
A University of British Columbia astronomer with an international team has discovered the largest structures of dark matter ever seen. Measuring 270 million light-years across, these dark matter structures criss-cross the night sky, each spanning an area that is eight times larger than the full moon. (2008-02-21)

Black/white breast cancer subtype incidence in men differs from trends in women
Incidence rates for hormone receptor positive (HR+) breast cancers are considerably higher in black men than white men, in stark contrast to lower incidence rates of those cancer subtypes in black versus white women. (2019-12-12)

How does it look when Earth is bombarded with dark matter?
A whole lot of zig-zagging: Perhaps that is what happens when the universe's mysterious dark matter particles hit the Earth. SDU researchers can now show through simulations how it might look. (2017-12-06)

Study of flower color shows evolution in action
Scientists at UC Santa Barbara have zeroed in on the genes responsible for changing flower color, an area of research that began with Gregor Mendel's studies of the garden pea in the 1850's. (2009-06-29)

The mystery of the galaxy with no dark matter: Solved!
A group of researchers from the Instituto de Astrofísica de Canarias (IAC) has clarified one of the mysteries of 2018 in the field of extragalactic astrophysics: the supposed existence of a galaxy without dark matter. (2019-06-06)

When it comes to song, birds spot the similarity and difference
Young birds recognize the songs of their own species, but they also detect and show preference for learning the songs of their particular subspecies. Researchers found that male mountain white-crowned sparrows are genetically predisposed to memorize and learn the songs of their own subspecies over those of other white-crowned sparrows. (2000-11-13)

Black women in Canada have substantially higher risk of preterm birth than white women
A study comparing rates of preterm birth among non-Hispanic black and non-Hispanic white women in Canada found that the rates were substantially higher among black women than white women, mirroring the disparity in the United States. The research study, published in Canadian Medical Association Journal, is based on new cohort data from the Canadian Live Birth, Infant Death and Stillbirth Database linked with 2006 Canadian census data. (2015-11-09)

Failed dwarf galaxy survives galactic collision thanks to full dark-matter jacket
Like a bullet wrapped in a full metal jacket, a high-velocity hydrogen cloud hurtling toward the Milky Way appears to be encased in a shell of dark matter, according to a new analysis of data from the National Science Foundation's Robert C. Byrd Green Bank Telescope. Astronomers believe that without this protective shell, the high-velocity cloud known as the Smith Cloud would have disintegrated long ago when it first collided with the disk of our Galaxy. (2014-05-23)

Older whites more likely to have signs of future eye disease than blacks
White individuals older than 65 are more likely than black individuals to have characteristics that indicate they will develop more advanced forms of the eye disease age-related macular degeneration, according to a report in the February issue of Archives of Ophthalmology, one of the JAMA/Archives journals. (2008-02-11)

DNA technique measures suitability of soil for onion crops
Nematodes, such as the stem nematode, and fungi, such as white rot, are particularly harmful for onion crops in the Netherlands: they cause rot. Soil samples are investigated to detect this -- a labour-intensive and expensive operation. Together with the Laboratory for Nematology (University of Wageningen) the company Blgg has developed a molecular technique to detect the stem nematode and white rot in soil samples. (2005-11-11)

Threatened by diversity
Psychologist Brenda Major identifies what may be a key factor in many white Americans' support for Donald Trump. (2016-10-26)

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