#230 Why were only 7 wonders of the ancient world chosen?
I learned this today. 7 impressive buildings or monuments were chosen to be the seven wonders of the world because the Greeks believed the number seven represented perfection and plenty.…
I learned this today. 7 impressive buildings or monuments were chosen to be the seven wonders of the world because the Greeks believed the number seven represented perfection and plenty.…
I learned this today. The Sahara Desert has grown so big because the precession of the Earth’s axis as it rotates around the sun changes the location of the African…
I learned this today. The South Sea Bubble was a financial bubble that sprang up around the share trading of the South Sea Company (SSC) in the early 18th century.…
I learned this today. Astronomers believe that there is a black hole at the center of every galaxy. In May of 2022, astronomers released photographs of the black hole at…
I learned this today. Different countries have different laws, but the first bankruptcy laws were created in 1542 in England. The word “bankruptcy” comes from the Italian banca rotta, which…
I learned this today. The Kola borehole is the deepest manmade borehole on Earth, and it is the deepest artificial point on Earth. The Kola borehole is on the Kola…
I learned this today. Many animals can run quickly because they have four legs, run on their toes, and have bodies designed for speed. There are three types of animals…
I learned this today. The Magna Carta promised the protection of church rights and the protection of the barons from King John and eventually became the basis for English common…
I learned this today. Hydraulic machines work because a force applied at one point to an incompressible fluid is transmitted to another point and multiplied at the same time. There…
I learned this today. Radar works by using radio waves to work out the position of objects relative to the detector and sonar uses sound waves. Radar works in a…