What Is the Role of Bacteria in Nature?
Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats. Bacteria are minute organis
Tag
Laboratory
What Is a Bunsen Burner?
A Bunsen burner is a gas burner consisting of a tube with a small gas jet at the lower end and adjustable air inlet by means of which the he
What Is a Vacuum?
A vacuum, in theory, is a space entirely devoid of matter. But no method has been devised for producing one. In practice, therefore, a vacuu
When Was Penicillin Discovered?
When Was Penicillin Discovered? Penicillin was discovered in 1929 by Sir Alexander Fleming, then a professor and lecturer at the Royal Colle
What Is the International Space Station?
Visible from Earth with the naked eye, the International Space Station (ISS) is habitable satellite that serves as a microgravity laboratory