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Scientists at St. Jude Children's Research Hospital have joined with colleagues at several other institutions to develop a laboratory model of the human immune system. This model will allow scientists to study ways for improving the results of hematopoietic stem

A brain scan study suggests that a suspect gene may increase susceptibilityto anxiety and depression by weakening a circuit for processing negativeemotion. People with the depression-linked gene variant showed less graymatter and weaker connections in the mood-regulating circuit. How well

Using X-ray crystallography, researchers at Yale have "seen" the structural basis for antibiotic resistance to common pathogenic bacteria, facilitating design of a new class of antibiotic drugs, according to an article in Cell. Steitz and Moore are among the co-founders

Soon after fertilization, the cells in an embryo, which have been dividing furiously from the start, begin to take on different forms and to separate into layers that will eventually give rise to the organism's various tissues and organs. But

A new type of transistor structure, invented by scientists at the University of Illinois at Urbana-Champaign, has broken the 600 gigahertz speed barrier. The goal of a terahertz transistor for high-speed computing and communications applications could now be within reach.

Whether a two-week regimen using a stainless steel douching device can eradicate the most common vaginal infection is under study at the Medical College of Georgia.

As science gets wiser, so do the bugs. The rates of drug-resistant bacteria infecting patients in the community and in the hospital have been increasing steadily in recent years, according to two new studies in the June 15 issue of

University of Iowa Biological Sciences Professor Daniel F. Eberl and his colleagues at Duke University have uncovered genetic defects leading to deafness in fruit flies that may shed light on deafness in humans. Their research paper, "Myosin VIIA Defects, which

Where fat comes from determines whether the body can metabolize it effectively. Researchers at Washington University School of Medicine in St. Louis have found that the "old" fat stored in the body's peripheral tissues -- that is, around the belly,

The first comprehensive study of the proteins in a microbial community is providing insights into how microorganisms evolve, specialize and cooperate in order to adapt to extreme conditions of temperature, acidity, and toxicity.

A gene that is changed in many forms of cancer has also been found to show similar changes in some forms of autism, according to preliminary research. The gene, known as PTEN, was found to be changed, or mutated, in

Binding gold nanoparticles to a specific antibody for cancer cells could make cancer detection much easier.

A molecular change that takes place in the newly formed blood vessels of progressing brain tumors has now been documented in the most common type of breast cancer, as well. The molecular shift occurs in major proteins called laminins, important

This week, over 80 distinguished scientists from around the world convened at the Institute of Ecosystem Studies to discuss the role of ecology in managing and predicting infectious diseases. Dr. Karl Johnson of the Whirling Disease Foundation, a virologist and

More than half of all Americans are limping through life these days with the aggravation of on-again, off-again pain or the utter misery of hard-to-treat chronic pain. The result is less work, crankier mood and fewer activities, combined with a

A new study involving a large sample of students followed for 13 years shows that four or more years in small classes in elementary school significantly increases the likelihood of graduating from high school, especially for students from low-income homes.

New research finds that some African-American adults as young as 50 say they are so afraid of falling that they stop moving around, which causes frailty and increases the likelihood that they might fall.