1) The sitcom "Friends" is known for its iconic Central Perk coffee shop, where the main characters often gather.

2) The Earth's core is primarily composed of iron and nickel and is as hot as the surface of the sun.

3) The Mariana Trench in the western Pacific Ocean is the deepest part of the world's oceans, reaching a depth of approximately 36,070 feet (10,994 meters).

4) The shortest verse in the Bible is "Jesus wept" (John 11:35).