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

2) The intensity of cyclones is often measured using the Saffir-Simpson Hurricane Wind Scale, which categorizes them based on their sustained wind speeds.

3) The first computer mouse was invented by Douglas Engelbart in 1964 and consisted of a wooden shell and two metal wheels.

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