A description and comparison of various EXAFS-like phenomena are presented based on theoretical and practical considerations. Most of the phenomena are similar but not exactly the same as EXAFS. This does not limit their usefulness for structure determination but requires separate experimental calibration and theoretical calculations.

The coronavirus 2019 (COVID 19) pandemic has been a worldwide catastrophe. Four centuries after the plague pandemic, this highly contagious RNA virus ( SARS-CoV-2) become nightmare due to its relentless spread, infecting millions of people with an unpredictably higher fatality, and sequelae yet follow. This viral disease devastated world population in many ways. It affected all stages life, sta...

Bloom syndrome is a rare autosomal recessive genetic disorder, which is characterized by telangiectasia and erythema in the butterfly area of the face, dwarfism and photosensitivity. The case presented herein is a 22-year-old man who referred with facial erythema and telangiectasia (Resembling lupus erythematosus). The skin lesions were exacerbating during summer. Other clinical findings were p...