Science

Sumacs are shrubs and small trees that can reach a height of 1–10 metres (3.3–33 ft). The leaves are spirally arranged; they are usually pinnately compound,…

Sir William Lawrence Bragg, Physicist was born March 31, 1890, Adelaide, South Australia. Bragg went to the University of Adelaide at age 16 to study…

Sir Chandrasekhara Venkata Raman, Physicist was born November 7, 1888, Trichinopoly, India. In 1902, Raman joined Presidency College in Madras where his father was a…

The aim of this lecture is to present on Climate of South America. South America has both rainforests and deserts. Half of the rainforest in the world is…

Clinton Joseph Davisson, Physicist was born Oct. 22, 1881, Bloomington, Ill., U.S. He entered the University of Chicago on scholarship. Upon the recommendation of Robert…

Introductory part of this lecture is to present South America: Continent Series. South America, the planet’s 4th largest continent, includes (12) independent countries and (3) major territories;…

Max Theodor Felix von Laue, Physicist was born Oct. 9, 1879, Pfaffendorf, near Koblenz, German. In addition to his scientific endeavors with contributions in optics,…

Major objective of this lecture is to present on Social Welfare and Environment. A social welfare system provides assistance to needy individuals and families. The types and…

This lecture introduce on Salt Marshes. Salt Marshes is a community of emerged halophytic vegetation in areas alternately inundated and drained by tidal action.” Here briefly focus on…

Lise Meitner, Physicist was born on November 7, 1878, in Vienna, Austria. She worked on radioactivity and nuclear physics. Meitner studied physics and went on…

Prime purpose of this lecture is to present on Rock Cycle. Rocks change from one form to another, any type of rock can change into another type,…

Metamorphism means to change. Rocks change with temperature and pressure. Usually takes place deep in the Earth. A metamorphic rock is a result of a transformation of…