Body

New technology allows scientists, school children to examine biological details

"The one drawback to this technology is how long it can take to 'build' these computer models," Holliday said. "In our study, it took five people about a year to get this model to a point where it was functional, and we only included about 15 structures – muscles, arteries, nerves – in our model. The human hand has at least 35 structures, so we know that it would take a lot of time and effort to build an accurate, functional model of entire biological systems. Once they are completed though, the models can be a fantastic tool to use in the classroom."

New coating may help joint replacements bond better with bone

COLUMBUS, Ohio—Broken bones and joint replacements may someday heal faster, thanks to an unusual coating for medical implants under development at The Ohio State University.

Researchers here have found that bone cells grow and reproduce faster on a textured surface than they do on a smooth one—and they grow best when they can cling to a microscopic shag carpet made of tiny metal oxide wires.

Cell phones could increase cancer risk

Scientists have long been worried about the possible harmful effects of regular cellular phone use, but so far no study has managed to produce clear results. Currently, cell phones are classified as carcinogenic category 2b – potentially carcinogenic to humans – by the International Agency for Research on Cancer (IARC). A new Tel Aviv University study, though, may bring bad news.

Prison reform results in strain on welfare system

The burden of improved conditions in state prisons may be borne by welfare recipients, according to new research from Rice University and Louisiana State University.

Study shows job training results in competitive employment for youth with autism

A Virginia Commonwealth University study¹ shows intensive job training benefits youth with Autism Spectrum Disorders (ASD), one of the most challenging disabilities in the world where only 20 percent find employment. Published in the Journal of Autism and Developmental Disorders, the study demonstrates that nine months of intensive internship training, in conjunction with an engaged hospital, can lead to high levels of competitive employment in areas such as cardiac care, wellness, ambulatory surgery and pediatric intensive care units.

Scientists from Mainz and Antananarivo describe Lavasoa Dwarf Lemur as new primate species

The island of Madagascar harbors a unique biodiversity that evolved due to its long-lasting isolation from other land masses. Numerous plant and animal species are found solely on Madagascar. Lemurs, a subgroup of primates, are among the most prominent representatives of the island's unique fauna. They are found almost exclusively on Madagascar. The only exceptions are two species of the genus Eulemur that also live on the Comoros Islands, where they probably have been introduced by humans.

Study unravels genetics behind debilitating inflammatory disease Takayasu arteritis

ANN ARBOR, Mich. — Researchers have uncovered the genetics behind what makes some people susceptible to Takayasu arteritis, a debilitating disease that can lead to poor circulation, easy tiredness in the legs and arms, organ damage and stroke.

A study led by the University of Michigan has identified five genes tied to Takayasu arteritis, an inflammation that damages the aorta and can lead to narrowed arteries, aneurysms, high blood pressure, and heart failure. The findings appear in the August issue of The American Journal of Human Genetics.

X chromosomes: Undoing a hairpin doubles gene activity

Male fruit flies have one X chromosome per cell, females have two. So genes on the male X must work twice as hard to produce the same amount of protein as its female counterparts. A team of researchers at Ludwig-Maximilians-Universitaet (LMU) in Munich has found a new switch involved in making this possible.

Researchers identify genetic mutation linked to congenital heart disease

A mutation in a gene crucial to normal heart development could play a role in some types of congenital heart disease—the most common birth defect in the U.S. The finding, from a team in The Research Institute at Nationwide Children's Hospital, could help narrow the search for genes that contribute to this defect, which affects as many as 40,000 newborns a year. The findings were published in a recent issue of in Human Mutation.

Danes contract Salmonella infections abroad

These are some of the findings presented in the annual report on the occurrence of diseases that can be transmitted to humans from animal and food. The report is prepared by the Danish Zoonosis Centre at the National Food Institute, Technical University of Denmark in collaboration with Statens Serum Institut and the Danish Veterinary and Food Administration.

Borneo's orangutans are coming down from the trees

Orangutans might be the king of the swingers, but primatologists in Borneo have found that the great apes spend a surprising amount of time walking on the ground. The research, published in the American Journal of Primatology found that it is common for orangutans to come down from the trees to forage or to travel, a discovery which may have implications for conservation efforts.

Statins suppress rett syndrome symptoms in mice

Statins, a class of cholesterol-lowering drugs found in millions of medicine cabinets, may help treat Rett Syndrome, according to a study published today in Nature Genetics. The Rett Syndrome Research Trust (RSRT) funded this work with generous support from the Rett Syndrome Research Trust UK and Rett Syndrome Research & Treatment Foundation.

Mystery deepens in coffin-within-a-coffin found at Richard III site

Archaeologists have unearthed a mysterious coffin-within-a-coffin near the final resting place of Richard III.

The University of Leicester team lifted the lid of a medieval stone coffin this week – the final week of their second dig at the Grey Friars site, where the medieval king was discovered in September.

This is the first fully intact stone coffin to be discovered in Leicester in controlled excavations – and is believed to contain one of the friary's founders or a medieval monk.

Examination of lymph nodes provides more accurate breast cancer prognosis

After a breast cancer operation, the removed tumour is always examined, as its subtype can provide an indication of how aggressive the disease is. The patient's lymph nodes are not analysed in the same way. Yet the breast tumour can sometimes appear to be of a less aggressive type while the subtype in the lymph nodes gives a different and more worrying picture.

Oregon team charts new understanding of actin filament growth in cells

EUGENE, Ore. -- University of Oregon biochemists have determined how tiny synthetic molecules disrupt an important actin-related molecular machine in cells in one study and, in a second one, the crystal structure of that machine when bound to a natural inhibitor.