Topic Details (Notes format)

What is the name of the ring of coral surrounding a lagoon, often atop submerged volcanoes?

Which city is known as the "Pink City" of India?

What is the deepest known point in the Earth’s oceans?

Who discovered quasicrystals?

Which element has the chemical symbol "Yb"?

Which element has the chemical symbol "Rb"?

Who discovered darmstadtium?

Which chemical element is liquid at room temperature besides Mercury?

What does SIM in a mobile phone stand for?

Which empire built the famous Colosseum?