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

2) Insurance policies often contain exclusions, which are specific events or circumstances that are not covered by the policy.

3) The development of the World Wide Web Consortium (W3C) and web standards has ensured interoperability and compatibility across different web browsers and devices.

4) The average person walks the equivalent of three times around the world in a lifetime.