ScienceDaily: Latest Science News

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• Skull Of Crocodile 100 Million Years Old Unearthed
• Trojan Horse For Ovarian Cancer: Nanoparticles Turn Immune System Soldiers Against Tumor Cells
• Microscopic 'Beads' Could Help Create 'Designer' Immune Cells That Ignore Transplanted Organs
• Entirely New Way To Study Brain Function Developed
• Wastewater Used To Map Illicit Drug Use
• Patients With Depression Frequently Suffer From Medically Unexplained Pain
• Capturing Carbon Dioxide In Tiny Bowls: Global Warming Fix From Microbes?
• Vitamin D, Curcumin May Help Clear Amyloid Plaques Found In Alzheimer's Disease
• Coral Reefs Exposed To Imminent Destruction From Climate Change
• Circulating Blood Cells Are Important Predictors Of Cancer Spread In Children
• Surprising New Insights Into The Repair Strategies Of DNA
• Parts Of Brain Involved In Social Cognition May Be In Place By Age Six
• Primitive Asteroids In Main Asteroid Belt May Have Formed Far From The Sun
• First Molecular Steps To Childhood Leukemia Identified
• Chemical Changes In Cells Tracked As They Endure Extreme Conditions
• Breastfeeding: Chemical Concentrations Do Not Decrease During Lactation
• New Seasonal Hurricane Forecasting Model Created
• Instead Of Counting Blessings, Count Money To Feel Good
• Genomes Of Parasitic Flatworms Decoded
• Osteoporosis Drug May Save Lives By Strengthening Immune System
• Kenya's National Parks Not Free From Wildlife Declines
• Focusing HIV Treatment Helps Control Concurrent Hepatitis B Infection
• Conquering The Traveling Salesman Problem
• Ask Permission To Use Newborn Data, Parents Say
• Not Only Dogs, But Deer, Monkeys And Birds Bark To Deal With Conflict
• Scientists Characterizes New Syndrome Of Allergy, Apraxia, Malabsorption
• Active Ingredient In Cannabis Eliminates Morphine Dependence In Rats
• Atrial Fibrillation Linked To Increased Hospitalization In Heart Failure Patients
• New Method May Help Allocate Carbon Emissions Responsibility Among Nations
• Cosmetic Surgery Appeals To Men, Women With Appearance-based Rejection Sensitivity
• Brain Emotion Circuit Sparks As Teen Girls Size Up Peers
• White Matter Changes May Predict Dementia Risk
• Bee Colony Collapse Disorder: New Bait Lures Varroa Mite To Its Doom
• Two Dietary Oils, Two Sets Of Benefits For Older Women With Diabetes
• New Power Source For Portable Electronic Devices
• Nearly One In Five University Students Experienced Violence In Last Six Months
• NASA's Fermi Finds Gamma-ray Galaxy Surprises
• Hormone Therapy Use Associated With Increased Risk Of Ovarian Cancer
• Avian Bacterium More Dangerous Than Believed
• Severe COPD May Lead To Cognitive Impairment
• Diet May Contribute Significantly To Body Burden Of Flame Retardants
• Fetal Short-term Memory Found In 30-week-old Fetuses

Skull Of Crocodile 100 Million Years Old Unearthed Posted: 16 Jul 2009 08:00 AM PDT Paleontologists have made the most important discovery to date at the Arlington Archosaur Site, a prolific fossil site in Texas. The disassembled skull of a crocodile with two-and-a-half-inch-long teeth that lived nearly 100 million years ago has been unearthed.

Trojan Horse For Ovarian Cancer: Nanoparticles Turn Immune System Soldiers Against Tumor Cells Posted: 16 Jul 2009 08:00 AM PDT Immunologists have devised a Trojan horse to help overcome ovarian cancer, unleashing a surprise killer in the surroundings of a hard-to-treat tumor.

Microscopic 'Beads' Could Help Create 'Designer' Immune Cells That Ignore Transplanted Organs Posted: 16 Jul 2009 08:00 AM PDT The future of organ transplantation could include microscopic beads that create "designer" immune cells to help patients tolerate their new organ, researchers say.

Entirely New Way To Study Brain Function Developed Posted: 16 Jul 2009 08:00 AM PDT Scientists have devised a chemical technique that promises to allow neuroscientists to discover the function of any population of neurons in an animal brain, and provide clues to treating and preventing brain disease.

Wastewater Used To Map Illicit Drug Use Posted: 16 Jul 2009 08:00 AM PDT A team of researchers has mapped patterns of illicit drug use across the state of Oregon using a method of sampling municipal wastewater before it is treated. Their findings provide a one-day snapshot of drug excretion that can be used to better understand patterns of drug use in multiple municipalities over time.

Patients With Depression Frequently Suffer From Medically Unexplained Pain Posted: 16 Jul 2009 08:00 AM PDT Pain symptoms that cannot be attributed, or at least not fully attributed, to an organic origin are more frequently and more severely experienced by patients with depression than by those without.

Capturing Carbon Dioxide In Tiny Bowls: Global Warming Fix From Microbes? Posted: 16 Jul 2009 05:00 AM PDT The accidental discovery of a bowl-shaped molecule that pulls carbon dioxide out of the air suggests exciting new possibilities for dealing with global warming, including genetically engineering microbes to manufacture those carbon dioxide "catchers."

Vitamin D, Curcumin May Help Clear Amyloid Plaques Found In Alzheimer's Disease Posted: 16 Jul 2009 05:00 AM PDT Scientists have found that a form of vitamin D, together with a chemical found in turmeric spice called curcumin, may help stimulate the immune system to clear the brain of amyloid beta, which forms the plaques considered the hallmark of Alzheimer's disease.

Coral Reefs Exposed To Imminent Destruction From Climate Change Posted: 16 Jul 2009 05:00 AM PDT Leading ocean scientists and climate change experts agreed on a new level of atmospheric carbon dioxide that would need to be achieved to ensure the survival of coral reefs.

Circulating Blood Cells Are Important Predictors Of Cancer Spread In Children Posted: 16 Jul 2009 05:00 AM PDT Endothelial progenitor cells may play a role in the start and progression of metastatic disease in children with cancer, according to study results published in Clinical Cancer Research, a journal of the American Association for Cancer Research.

Surprising New Insights Into The Repair Strategies Of DNA Posted: 16 Jul 2009 05:00 AM PDT A microscopic single-celled organism, adapted to survive in some of the harshest environments on earth, could help scientists gain a better understanding of how cancer cells behave.

Parts Of Brain Involved In Social Cognition May Be In Place By Age Six Posted: 16 Jul 2009 05:00 AM PDT By scanning the brains of children ages 6 to 11 as they listened to children's stories, researchers have for the first time investigated brain regions associated with social cognition in human children. Researchers found that one of the brain regions, the right tempero-parietal junction, appeared to change its function between the ages of 6 and 11. This research has implications for the study of atypical social development, as happens in autism.

Primitive Asteroids In Main Asteroid Belt May Have Formed Far From The Sun Posted: 16 Jul 2009 02:00 AM PDT Many of the objects found today in the asteroid belt located between the orbits of Mars and Jupiter may have formed in the outermost reaches of the solar system, according to astronomers.

First Molecular Steps To Childhood Leukemia Identified Posted: 16 Jul 2009 02:00 AM PDT Scientists have identified how a chromosomal abnormality known to be associated with acute lymphoblastic leukemia -- the most common cancer in children -- initiates the disease process. Chromosome reshuffling affecting blood stem cells leads to years-later cancer development.

Chemical Changes In Cells Tracked As They Endure Extreme Conditions Posted: 16 Jul 2009 02:00 AM PDT How do some bacteria survive conditions that should kill them? In groundbreaking research, scientists have used the Advanced Light Source to track chemical changes in individual cells as they adapt to extreme environments.

Breastfeeding: Chemical Concentrations Do Not Decrease During Lactation Posted: 16 Jul 2009 02:00 AM PDT A new study suggests that lipid-adjusted concentrations of polybrominated diphenyl ethers, polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and furans and organochlorine pesticides in women's blood serum and milk do not decrease during lactation as previously thought. This new insight should improve researchers' ability to assess infant exposures to environmental chemicals via breastfeeding.

New Seasonal Hurricane Forecasting Model Created Posted: 16 Jul 2009 02:00 AM PDT Scientists have developed a new computer model that they hope will predict with unprecedented accuracy how many hurricanes will occur in a given season.

Instead Of Counting Blessings, Count Money To Feel Good Posted: 16 Jul 2009 02:00 AM PDT When we are feeling blue we are told to count our blessings, but according to a new study counting our money might be a more useful activity.

Genomes Of Parasitic Flatworms Decoded Posted: 15 Jul 2009 11:00 PM PDT Scientists have determined the complete genetic sequences of two species of parasitic flatworms that cause schistosomiasis, a debilitating condition also known as snail fever. Schistosoma mansoni and Schistosoma japonicum are the first sequenced genomes of any organism in the large group called Lophotrochozoa, which includes other free-living and parasitic flatworms as well as segmented roundworms, such as the earthworm.

Osteoporosis Drug May Save Lives By Strengthening Immune System Posted: 15 Jul 2009 11:00 PM PDT An osteoporosis drug proven to save lives after hip fractures may do so by strengthening the body's immune system, according to geriatrics researchers.

Kenya's National Parks Not Free From Wildlife Declines Posted: 15 Jul 2009 11:00 PM PDT Long-term declines of elephants, giraffe, impala and other animals in Kenya are occurring at the same rates within the country's national parks as outside of these protected areas, according to a study released this week.

Focusing HIV Treatment Helps Control Concurrent Hepatitis B Infection Posted: 15 Jul 2009 11:00 PM PDT Prolonged use of highly active antiretroviral therapy to treat people infected with both HIV and hepatitis B helps to better control the hepatitis B infection and could delay or prevent liver complications, according to a new study.

Conquering The Traveling Salesman Problem Posted: 15 Jul 2009 11:00 PM PDT A new algorithm which could provide a solution to the age old Traveling Salesman Problem (TSP) has been improved by a student.

Ask Permission To Use Newborn Data, Parents Say Posted: 15 Jul 2009 11:00 PM PDT More than three-quarters of parents would be willing to allow the use of their children's newborn screening samples for research, a new survey shows. But more than half would be unwilling to permit use if their permission was not obtained beforehand. The survey sheds light on the emerging issue of how to square parents' concerns about privacy with medical researchers' desire to use the samples.

Not Only Dogs, But Deer, Monkeys And Birds Bark To Deal With Conflict Posted: 15 Jul 2009 08:00 PM PDT Biologically speaking, many animals besides dogs bark, according to evolutionary biologists, but domestic dogs vocalize in this way much more than birds, deer, monkeys and other wild animals that use barks. The reason is related to dogs' 10,000-year history of hanging around human food refuse dumps, she suggests.

Scientists Characterizes New Syndrome Of Allergy, Apraxia, Malabsorption Posted: 15 Jul 2009 08:00 PM PDT Scientists have revealed a new syndrome in children that presents with a combination of allergy, apraxia and malabsorption.

Active Ingredient In Cannabis Eliminates Morphine Dependence In Rats Posted: 15 Jul 2009 08:00 PM PDT Injections of THC, the active principle of cannabis, eliminate dependence on opiates (morphine, heroin) in rats deprived of their mothers at birth. The findings could lead to therapeutic alternatives to existing substitution treatments.

Atrial Fibrillation Linked To Increased Hospitalization In Heart Failure Patients Posted: 15 Jul 2009 08:00 PM PDT Patients with atrial fibrillation, common in those with advanced chronic heart failure, have an increased risk of hospitalization due to heart failure, according to new research. The findings also suggest that atrial fibrillation is not associated with an increased risk of death in heart failure patients, contradicting previous assumptions.

New Method May Help Allocate Carbon Emissions Responsibility Among Nations Posted: 15 Jul 2009 08:00 PM PDT Just months before world leaders are scheduled to meet to devise a new international treaty on climate change, scientists have developed a new way of dividing responsibility for carbon emissions among countries. The approach is so fair, according to its creators, that they are hoping it will win the support of both developed and developing nations, whose leaders have been at odds for years over perceived inequalities in previous proposals.

Cosmetic Surgery Appeals To Men, Women With Appearance-based Rejection Sensitivity Posted: 15 Jul 2009 08:00 PM PDT Researchers have found that men and women who feel sensitive to rejection based on their physical appearance are more likely to express interest in having cosmetic surgery than those who are less sensitive to appearance-based rejection. This effect is particularly true when people recall negative comments about their physical appearance.

Brain Emotion Circuit Sparks As Teen Girls Size Up Peers Posted: 15 Jul 2009 05:00 PM PDT What is going on in teenagers' brains as their drive for peer approval begins to eclipse their family affiliations? Brain scans of teens sizing each other up reveal an emotion circuit activating more in girls as they grow older, but not in boys. The study shows how emotion circuitry diverges in the male and female brain during a developmental stage in which girls are at increased risk for developing mood and anxiety disorders.

White Matter Changes May Predict Dementia Risk Posted: 15 Jul 2009 05:00 PM PDT Elderly people with no memory or thinking problems are more likely to later develop thinking problems if they have a growing amount of "brain rust," or small areas of brain damage, according to a new study.

Bee Colony Collapse Disorder: New Bait Lures Varroa Mite To Its Doom Posted: 15 Jul 2009 05:00 PM PDT Varroa mites, prime suspect in bee colony collapse disorder, could literally be walking into a trap --- thanks to a newly developed attractant.

Two Dietary Oils, Two Sets Of Benefits For Older Women With Diabetes Posted: 15 Jul 2009 05:00 PM PDT A study comparing how two common dietary oil supplements affect body composition suggests that both oils, by themselves, can lower body fat in obese postmenopausal women with Type 2 diabetes. The two oils compared were safflower oil, a common cooking oil, and conjugated linoleic acid, a compound naturally found in some meat and dairy products that has been associated with weight loss in previous studies.

New Power Source For Portable Electronic Devices Posted: 15 Jul 2009 05:00 PM PDT Microfluidic fuel cells could provide the necessary energy to provide continuous power to remote sensors, mobile phones and laptops, according to a student. Microfluidics deals with the behavior, precise control and manipulation of fluids that are geometrically constrained to a small, typically sub-millimeter, scale.

Nearly One In Five University Students Experienced Violence In Last Six Months Posted: 15 Jul 2009 05:00 PM PDT While attending university, men are equally likely as women to have been victims of physical or emotional violence, and that violence is often linked to drinking, according to a new study.

NASA's Fermi Finds Gamma-ray Galaxy Surprises Posted: 15 Jul 2009 02:00 PM PDT Back in June 1991, just before the launch of NASA's Compton Gamma-Ray Observatory, astronomers knew of gamma rays from exactly one galaxy beyond our own. To their surprise and delight, the satellite captured similar emissions from dozens of other galaxies. Now its successor, the Fermi Gamma-ray Space Telescope, is filling in the picture with new finds of its own.

Hormone Therapy Use Associated With Increased Risk Of Ovarian Cancer Posted: 15 Jul 2009 02:00 PM PDT Compared with women who have never taken hormone therapy, those who currently take it or who have taken it in the past are at increased risk of ovarian cancer, regardless of the duration of use, the formulation, estrogen dose, regimen or route of administration, according to a study in the July 15 issue of JAMA.

Avian Bacterium More Dangerous Than Believed Posted: 15 Jul 2009 02:00 PM PDT Bordetella hinzii just may be the Eddie Haskell of avian bacteria. Like the notoriously sneaky character from the iconic 1950s television show "Leave It to Beaver," B. hinzii has been causing trouble and dodging the blame.

Severe COPD May Lead To Cognitive Impairment Posted: 15 Jul 2009 02:00 PM PDT Severe chronic obstructive pulmonary disease (COPD) is associated with lower cognitive function in older adults, according to new research. Researchers compared cognitive performance in over 4,150 adults with and without COPD and found that individuals with severe COPD had significantly lower cognitive function than those without, even after controlling for confounding factors such as comorbidities.

Diet May Contribute Significantly To Body Burden Of Flame Retardants Posted: 15 Jul 2009 02:00 PM PDT A new study suggests that diet is an important route of exposure to polybrominated diphenyl ethers (PBDEs). PBDEs are a class of flame retardants that are commonly found in consumer products such as polyurethane foam, electronics and textiles.

Fetal Short-term Memory Found In 30-week-old Fetuses Posted: 15 Jul 2009 02:00 PM PDT Researchers studying about 100 healthy pregnant women and their fetuses have found measured changes in how fetuses respond to repeated stimulation and exhibit "habituation." This research allows for a better understanding of the normal development of the fetal central nervous system and has implications for prevention and treatment of abnormalities.

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