Study: DNA stretched winds more tightly

Tackling the most challenging problems in accelerator science attracts the world's best and brightest to Brookhaven Lab. It's only natural that ideas and techniques born here take root in new research facilities ...

(Phys.org)—Transposable elements are mobile strands of DNA that insert themselves into chromosomes with mostly harmful consequences. Cells try to keep them locked down, but in a new study, Brown University ...

They appear as invaders, taking over a neighborhood and erecting tall dwellings seemingly overnight. Offspring and relatives soon follow, and their ensuing racket is not to be spoken of in polite company.

As the state geologist for Arizona, Lee Allison knows granite from sandstone, a syncline from an anticline. But he has lacked the ability to look through rocks to visualize the inner workings of the Earth.

Discovering the step-by-step details of the path embryonic cells take to develop into their final tissue type is the clinical goal of many stem cell biologists. To that end, Kenneth S. Zaret, PhD, professor ...

Most of the time cancer seems to creep up gradually over time; cells become premalignant, then increasingly abnormal before they become cancerous. But sometimes cancers seem to pop up as if out of nowhere. Now, researchers ...

(Medical Xpress)—Understanding the full consequences of environmental exposure to asbestos has proved a demanding venture, and for the past two summers University of Pennsylvania senior Shabnam Elahi has worked on just ...

The innumerable divisions of the bronchi often turn the hunt for tumours in the lungs into a game of chance. But soon, lung specialists will be able to navigate accurately inside the airways by "GPS".

(Medical Xpress)—Some people feel so "creeped out" that they would decline an organ or blood that came from a murderer or thief, according to a new University of Michigan study.

A far-reaching disorder of the self-esteem is denoted as a narcissistic personality disorder. Persons with pathological narcissism on the one hand suffer from feelings of inferiority, while on the other hand projecting themselves ...

(Medical Xpress)—How babies grow and develop in the womb, as newborns and into childhood can put them at increased risk for premature high blood pressure, kidney disease and heart disease, according to a research review ...

With 300-500 million people falling ill to malaria each year, this debilitating tropical disease remains a global problem. Current combination drug therapy is still generally effective, but recent signs of ...