1) The speed of light is approximately 299,792,458 meters per second.

2) The fingerprints of koalas are so similar to humans that they have been mistaken at crime scenes.

3) The largest insurance market in the world is Lloyd's of London, which is not an insurance company but a market where insurance brokers and underwriters come together.

4) The concept of political stability refers to the ability of a government or political system to maintain continuity, order, and effective governance over a prolonged period, promoting social cohesion and economic development.