Ear Defenders

Effect of ear-defenders (ear-muffs) on the localization of sound.

Atherley, G. R. C., and Noble, W. G. (1970). Brit. J. industr. Med., 27, 260-265. Effect of ear-defenders (ear-muffs) on the localization of sound. In a laboratory study we examined the influence of ear-defenders (ear-muffs), of a type used in industry, on a localization task using the binaural (diotic) presentation ofa 1 KHz pure tone under anechoic conditions. Our subjects were 15 foundry wor...

Plant Antiviral Defense Disables Other Defenders.

One of the most extraordinary developments in molecular biology in the last quarter century has been the growing understanding of the role of small RNA molecules. Originally described as oddities of petunia plants, these noncoding RNAs, mostly 21 to 24 nucleotides long, are now recognized to be ubiquitous in the cells of both plants and animals, as well as many fungi, where they trigger destruc...

The Grimké Sisters: Radical Defenders of Women’s Rights and Abolition

Defenders and Challengers of Endothelial Barrier Function

Regulated vascular permeability is an essential feature of normal physiology and its dysfunction is associated with major human diseases ranging from cancer to inflammation and ischemic heart diseases. Integrity of endothelial cells also play a prominent role in the outcome of surgical procedures and organ transplant. Endothelial barrier function and integrity are regulated by a plethora of hig...

DNA Repair: Dynamic Defenders against Cancer and Aging

June 2006 | Volume 4 | Issue 6 | e203 You probably weren’t thinking about your body’s DNA repair systems the last time you sat on the beach in the bright sunshine. Fortunately, however, while you were subjecting your DNA to the harmful effects of ultraviolet (UV) light, your cells were busy repairing the damage. The idea that our genetic material could be damaged by the sun was not appreciated ...