1) The largest known dinosaur, Argentinosaurus, weighed around 70-100 tons and measured up to 100 feet in length.

2) The phenomenon known as "black holes" occurs when matter is crushed into an infinitely small space, creating a gravitational pull so strong that nothing can escape.

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

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