On January 8, 1851, French Physicist Leon Foucault invented a pendulum device to prove the Earth’s rotation. It had long been believed that the Earth rotated, but Focault discovered that he could demonstrate this with a simple experiment using a tall pendulum with a heavy weight. He...
Iris Day celebrates the state flower of Tennessee, symbol of Brussels, and flower for 25th wedding anniversary. Irises come in rainbow of colors such as blue, purple, white andyellow, pink and orange, brown and red, and even black. The name comes from the Greek word for ‘rainbow’...
World Environment Day is an annual event that is aimed at being the biggest and most widely celebrated global day for positive environmental action. Let's organize a neighborhood clean-up, stop using plastic bags and get your community to do the same, stop food waste, walk to work, start a...
The World Day to Combat Desertification and Drought is a United Nations observance each June 17. Its purpose is to highlight ways to prevent desertification and recover from drought. Each annual celebration has a different theme. This day was proclaimed on January 30, 1995 by the United Nations...
Neptune is the eighth and farthest planet from the Sun in the Solar System. It is the fourth-largest planet by diameter and the third-largest by mass. Among the gaseous planets in the solar system, Neptune is the most dense. Neptune is 17 times the mass of Earth and is slightly more massive than...
The United Nations’ (UN) International Day for Preventing the Exploitation of the Environment in War and Armed Conflict is annually held on November 6. It aims to educate people about the damaging effects of war and armed conflict on the environment. History On 5 November...
