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( SciMed / Genetics & Genome )
Leicester, England. Sir Alec Jeffreys, whose work led to the development of genetic fingerprinting, is the senior author of an important new paper on the genetic basis of human diversity.
The Jeffreys team has now defined the engine for change in
09-08-10
Word count: 132
( SciMed / Healthcare )
Chevy Chase, MD, USA. The Endocrine Society has released a new clinical practice guideline on the diagnosis and treatment of congenital adrenal hyperplasia (CAH). The guideline features a series of evidence-based clinical recommendations developed
09-08-10
Word count: 143
( SciMed / Healthcare )
Washington, DC, USA. On Monday (Aug. 30), Minnesota Governor Tim Pawlenty rejected his state’s application for $850,000 under the new federal health care law to prevent teen pregnancies.
At the same time, he approved a state application for $500
09-04-10
Word count: 165
( SciMed / Healthcare )
Geneva, Switzerland. A major humanitarian organization has performed close to 20,000 surgical procedures in resource-limited settings between 2001 and 2008 with an operative death rate of only 0.2 percent.
Of the 230 million major surgical proce
08-30-10
Word count: 138
( SciMed / Genetics & Genome )
Baltimore, MD, USA. Scientists have produced the very first epigenetic landscape map for tissue differentiation, based on the occurrence of a common chemical change called methylation, often is associated with turning off genes. It takes place whil
08-27-10
Word count: 177
( SciMed / Biology )
Houston, TX, USA. The most robust statistical examination to date of our species' genetic links to mitochondrial Eve — the maternal ancestor of all living humans — confirms that she lived about 200,000 years ago.
The study was based on a side-
08-26-10
Word count: 148
( SciMed / Healthcare )
Washington, DC, USA. In the past decade, prescription drug abuse has soared to new levels. A recent White House study found a 400 percent increase in abuse from 1998 to 2008. Other experts cite the doubling of prescription drug-related emergency r
08-25-10
Word count: 156
( SciMed / Genetics & Genome )
Baltimore, MD, USA. Researchers scanned the human genome and expanded the catalog of reasons people have such a variety of physical traits and disease risks.
A team from the Johns Hopkins University School of Medicine identified a near complete ca
08-16-10
Word count: 124
( SciMed / Neuroscience )
Hatfield, Hertfordshire, UK. A consortium of universities and robotic companies has developed robots that form attachments, interact and express emotion through bodily expression as they interact with their human caregivers. The Feelix Growing proj
08-16-10
Word count: 175
( SciMed / Neuroscience )
San Diego, CA, USA. Women and girls in the United States consider and engage in suicidal behavior more often than men and boys, but die of suicide at lower rate — a gender paradox enabled by U.S. cultural norms of gender and suicidal behavior, ac
08-13-10
Word count: 171
( SciMed / Neuroscience )
Toronto, ON, Canada. Aggression. Over-eating. Inability to focus. Difficulty making rational decisions. New research shows prejudice has a lasting negative impact on those who experience it.
"Past studies have shown that people perform poorly
08-12-10
Word count: 121
( SciMed / Genetics & Genome )
Los Angeles, CA, USA. In one of the first efforts of its kind, UCLA researchers have taken mammalian genome maps, including human maps, one step further by showing not just the sequence (or order) in which genes fall in the genome but which genes a
08-11-10
Word count: 156
( SciMed / Neuroscience )
Ithaca, NY, USA. Emotions, particularly those provoked by negative events, can cause distorted, inaccurate memories, but less often in children than in adults, according to new research that contradicts prevailing legal and psychological thinking.
08-10-10
Word count: 138
( SciMed / Biology )
Chicago, IL, USA. Scientists and fertility doctors have tried for a long time to understand what makes a good egg that will produce a healthy embryo. It is a critical question for fertility doctors deciding which eggs when isolated from a woman wil
08-10-10
Word count: 169
( SciMed / Biology )
Ann Arbor, MI, USA. Within 24 hours of culturing adult human stem cells on a new type of matrix, researchers were able to make predictions about how the cells would differentiate, or what type of tissue they would become.
Differentiation is the pr
08-09-10
Word count: 180
( SciMed / Horizons )
Boston, MA, USA. Catherine E. Snow says that with a little guidance, educators can help students learn to read and understand the complex language of science texts. In a new article that appears in the journal Science, she makes the case that stude
08-09-10
Word count: 163
( SciMed / Horizons )
Buffalo, NY, USA. Scientists have developed a biophotonic imaging approach capable of monitoring in real-time the transformations that cellular macromolecules undergo during programmed cell death (apoptosis).
Between 50-70 billion cells die each d
08-07-10
Word count: 148
( SciMed / Horizons )
Cambridge, UK. Over thirty-two years ago, the world's first baby was born after in vitro fertilisation (IVF).
However, the work that led to the birth of Louise Brown on 25 July 1978 had to be privately funded after the UK's Medical Research Counci
08-02-10
Word count: 130
( SciMed / Biology )
Chicago, IL, USA. Asian carp have been working their way up the Mississippi River since they were first introduced in the Southeast almost 20 years ago and now could begin to enter the Great Lakes. The carp are just the latest alien species to thre
08-02-10
Word count: 172
( SciMed / Genetics & Genome )
Princeton, NJ, USA. Over millions of years, retroviruses insert genetic material into the host genome as part of replication, leaving behind bits of their genetic material in vertebrate genomes. A research team now finds that human and other verteb
07-31-10
Word count: 142
( SciMed / Neuroscience )
Baltimore, MD, USA. Michelangelo appears to have hidden an image of the brainstem and spinal cord in a depiction of God in the Sistine Chapel’s ceiling. These findings by a neurosurgeon and a medical illustrator may explain long controversial and
07-31-10
Word count: 173
( SciMed / Healthcare )
Boston, MA, USA. What are the risks and rewards involved if patients are invited to review their own medical records?
Technology has placed vast amounts of medical information literally a mouse click away. Yet what often may be central — a doct
07-28-10
Word count: 145
( SciMed / Biology )
Norwich, Norfolk, UK. Plant scientists have provided a new solution to an old debate on why species hybrids can be more vigorous than their parents.
Biologists have long pondered the question of why it is that hybrids situated between different sp
07-26-10
Word count: 132
( SciMed / Healthcare )
Sacramento, CA, USA. A shared decision-making process would assist doctors and parents who are facing the extraordinarily complex, challenging, and very controversial choices presented when infants are born with genetic or anatomical anomalies in s
07-24-10
Word count: 129
( SciMed / Genetics & Genome )
Princeton, NJ, VA, USA. New findings from a suggest that repeated instructional regions in DNA contributes to normal development under less-than-ideal growth conditions by making sure that genes are turned on and off at the appropriate times. Found
07-23-10
Word count: 152
( SciMed / Healthcare )
Jackson, MS, USA. Mental health policies in America have changed radically over the past 60 years. A one-time emphasis on caring for patients in large institutions shifted to treatment in outpatient community settings. The ways mental disorders are
07-21-10
Word count: 186
( SciMed / Horizons )
Denver, CO, USA. Researchers have found the brains of mice used in laboratories worldwide can be profoundly affected by the type of cage they are kept in, a breakthrough that may require scientists to reevaluate the way they conduct future experime
07-19-10
Word count: 121
( SciMed / Genetics & Genome )
Chicago, IL, USA. A paper in PLoS Genetics describes a sex-specific gene that is is responsible for sperm production. Called Boule, it is so vital that its function has remained unaltered throughout evolution and is found in almost all animals.
In
07-17-10
Word count: 160
( SciMed / Genetics & Genome )
Melbourne, Victoria, AUS. Scientists have conducted a groundbreaking proof of principle study that screening polar bodies (small cells that are the by-product of egg development) is a reliable method to analyse the chromosomal status of an egg.
Fe
07-16-10
Word count: 166
( SciMed / Neuroscience )
Champaign, IL, USA. Those who know that an unexpected event is likely to occur are no better at noticing other unexpected events — and may be even worse — than those who aren't expecting the unexpected, says a new study.
The new finding is a p
07-16-10
Word count: 131
( SciMed / Biology )
Warsaw, Poland. Scientists figured out how proteins can move so fast inside living cells where the viscosity exceeds that of water by a million times and discovered a new principle of cellular physics in the process.
Viscosity is a standard measur
07-15-10
Word count: 170
( SciMed / Genetics & Genome )
Austin, TX, USA. Scientists have presented a method to identify genetic causes for human variations by examining the large-scale occurrence and context of the same genes in different species. The team examined traits characteristic of organisms tha
07-14-10
Word count: 153
( SciMed / Genetics & Genome )
Toranto, Ont., Canada. Individual results of genetic research studies should not be disclosed to participants without careful consideration, a scientist told the annual conference of the European Society of Human Genetics (ESHG).
Dr. Robin Hayeems
07-13-10
Word count: 149
( SciMed / Biology )
Maywood, IL, USA. Researchers found protein acetylation in bacteria cells. The reaction modifies and affects protein function, including the molecular machinery responsible for switching genes on or off.
Bacteria make up one of the three domains o
07-12-10
Word count: 124
( SciMed / Neuroscience )
Bronx, NY, USA. Researchers have linked rejection by a romantic partner to brain activity associated with motivation, reward and addiction cravings.
By tying specific areas of the brain to romantic rejection, the findings expose the anguished feel
07-12-10
Word count: 130
( SciMed / Biology )
Raleigh, NC, USA. Forensic researchers have offered a new means of determining the sex of skeletal human remains. Historically, forensic scientists have been able to determine the sex of skeletal remains by visually evaluating the size and shape of
07-11-10
Word count: 145
( SciMed / Biology )
La Jolla, CA, USA. Multicellular organisms may have built their more complex molecular machinery largely from the same list of parts that was already available to their unicellular ancestors.
Thus, one of the most pivotal steps in evolution — th
07-10-10
Word count: 110
( SciMed / Genetics & Genome )
Yuseong-gu, Daejeon, Republic of Korea. A team of researchers in Korea has gained some additional insight into the neurological basis of sexual preference by manipulating a gene in the female mouse, a key model organism. Female mice that lack the f
07-10-10
Word count: 132
( SciMed / Biology )
Pasadena, CA, USA. Scientists have shown how pregnancy can continue without rejection of the fetus by the mother's body.
The study shows that female mice actively produce a specific immune cell in response to specific fetal antigens — immune-sti
07-09-10
Word count: 144
( SciMed / Biology )
Heidelberg, Germany. Scientists have observed embryonic development at an unprecedented level. The researchers obtained three-dimensional movies of the developing fruit fly embryo in spite of the fact that it is almost opaque. They also extended ex
07-08-10
Word count: 153
( SciMed / Neuroscience )
Madison, WI, USA. A single gene appears to be a master regulator of human brain development, guiding undifferentiated stem cells down tightly defined pathways to becoming all of the many types of brain cells.
The human brain is a marvel of nature
07-07-10
Word count: 148
( SciMed / Neuroscience )
Toronto, ONT, Canada. Anxiety and uncertainty can cause us to become more idealistic and more radical in our religious beliefs, according to new findings.
York University researchers, led by McGregor, published their new findings in the Journal of
07-07-10
Word count: 129
( SciMed / Horizons )
Fairfax, VA, USA. Engineers have developed a cell phone that includes a microscope among its capabilities. The lensless imaging platform behind the microscope is nearly readiness for real world trials.
Cell phones have accumulated capabilities at
07-06-10
Word count: 156
( SciMed / Healthcare )
Boston, MA, USA. More than two billion people worldwide lack adequate access to surgical treatment, according to a new study from the Harvard School of Public Health (HSPH). A substantial amount of the global burden comes from illnesses and disorde
07-04-10
Word count: 154
( SciMed / Biology )
Exeter, Devon, UK. The evolutionary mystery of menopause is a step closer to being solved thanks to research on killer whales.
Scientists found a link between killer whales, pilot whales and human beings — the only three species where females ar
07-03-10
Word count: 133
( SciMed / Neuroscience )
Champaign, IL, USA. Neuroscientists have shown how conflict between the immune system and an infectious agent hinder cognitive abilities and hamper functioning of the hippocampus in the newborn infant.
Given that humans must deal with the brains t
07-02-10
Word count: 166
( SciMed / Genetics & Genome )
Washington, DC, USA. The 1000 Genomes Project announced completion of three pilot projects and began work on a full-scale database of genome data on 2,500 people from 27 populations around the world.
Officially launched in 2008, the 1000 Genomes P
07-01-10
Word count: 117
( SciMed / Biology )
New York, NY, USA. A new data mining algorithm can automatically reveal how biological processes are coordinated in time. Cell division, metabolism, and development must be carefully synchronized for proper cell function.
The metabolic state of th
06-30-10
Word count: 157
( SciMed / Neuroscience )
Los Angeles, CA, USA. An unusual partnership between artists and engineers at the University of Southern California (USC) has been working on more precise methods for modeling human behavior, using such contemporary tools as improvisational theater
06-29-10
Word count: 147
( SciMed / Healthcare )
Montréal, Québec, Canada. Patients with their privacy and personal dignity exposed — i.e. forced to wear traditional and revealing hospital gowns — may soon bid adieu to peek-a-boo hospital garb.
Alumna Noémie Marquis and Denyse Roy, a prof
06-29-10
Word count: 125
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