AN article in the January issue of the National Geographic Magazine, which begins the sixty-ninth volume, records the remarkable growth of interest in the publication and its widespread circulation.

micro RNAs (miRNAs) are a type of non-coding RNA (ncRNA), ~21 24 nucleotides in length, that function in the post-transcriptional regulation of gene expression. Typically miRNAs interact with ...

Depression refers to a state of low mood that can be accompanied with loss of interest in activities that the individual normally perceived as pleasurable, altered appetite and sleep/wake balance ...

Living systems are composed of networks of interacting biopolymers, ions and metabolites. These components drive a complex array of cellular processes, many of which cannot be observed when the ...

Marine biology is the study of life in the oceans and brackish waters, which ranges from archaea and bacteria to marine mammals, and includes organisms such as corals that affect the shape of the ...

Oxide nanoparticles, particularly iron oxide, ceria and silica nanoparticles, hold significant promise for biomedical applications owing to their unique magnetic, catalytic and porous properties ...

Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species ...

WITH the July issue, which began the thirty-seventh semi-annual volume, the Journal of Research of the National Bureau of Standards, a monthly periodical published by the U.S. Department of ...

Physical sciences are those academic disciplines that aim to uncover the underlying laws of nature - often written in the language of mathematics. It is a collective term for areas of study ...

Stroke refers to an acute cerebrovascular disorder that is manifested by sudden loss or deterioration of brain function, resulting either from ischaemic stroke or intracranial haemorrhage. Here ...

Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...

Biofilm formation is astonishingly widespread in nature and appears very early in the fossil record. Biofilm development also occurs in a vastly diverse range of microorganisms, including those ...