Web scraping has been used to extract data from websites almost from the time the World Wide Web was born. In the early days, scraping was mainly done on static pages – those with known elements, tags ...

The trace element selenium is an essential micronutrient that is required for the biosynthesis of selenocysteine-containing selenoproteins. Most of the known selenoproteins are expressed in the ...

Selenium is a trace mineral, which is very essential for human beings. It is present in the soil and from there gets into the foods when plants are grown in selenium-rich soil. The human body gets its ...