Learn about the definition and meaning of wind. We also explain wind speed, wind direction and factors affecting these phenomena.

Learn about definition of time zone and how to calculate it. We explain Universal Coordinated Time and Greenwich Mean Time as well.

Important quotes about the importance of the United Nations. You can use these quotes as messages and status on the UN Day.

The United Nations Day is celebrated on 24 October. We explain the objectives, theme, history and significance of the UN Day.

Learn about the Mole Day and the meaning behind it. We explain its significance, history, theme, activities and projects associated with it.

List of the world’s most crowded cities. This list of most populous cities include Tokyo, Delhi, Shanghai, Mumbai, Cairo, Dhaka, Karachi etc.

List of top 25 most populous countries in the world and their respective population.

Learn the differences between velocity and speed. We present speed verses velocity in terms of definition, units, formula; along with examples and diagrams.

Learn about Trade Winds definition, meaning and their direction on map. We explain the impact of Hadley Cell and Coriolis Effect as causes of these winds.

Learn definition of mid-ocean ridge system and its location on world map. Also get the list of major active ridges and associated volcanoes.

Learn about E = mc^2 or the energy-mass equivalence equation. Multiplying mass with the speed of light squared gives us equivalent energy.

Learn the major differences between special relativity and general relativity theory proposed by Albert Einstein.

Learn some interesting facts about the Constitution of the United States of America.

Learn the reasons why borders of the states in the USA are straight-line giving them rectangular or squarish shape.

List of Nobel Prize laureates of the year 2020 in the fields of Physics, Chemistry, Medicine, Economics, Literature and Peace.

Learn about the International Day of Non-Violence including its objectives, history, theme, significance and quotes.

List of major rivers in the United States of America. We present some interesting facts about largest and longest rivers in the USA.

Learn the DNA codon table and chart in details. We describer start and stop codons, anticodons and corresponding amino acids.

List of good bacteria that are useful and beneficial for humans. From making curd, fixing nitrogen to fighting pathogens, bacteria help us a lot.

List of major diseases caused by bacteria. We discuss the symptoms and mode of transmission for TB, cholera, syphilis, tetanus, typhoid etc.

Learn the key differences between DNA and RNA. We explain the DNA vs RNA with diagram and table of comparison.