1) The universe is estimated to be around 13.8 billion years old.

2) The first commercial mobile phone, the Motorola DynaTAC 8000X, was released in 1983 and weighed nearly 2 pounds.

3) Usain Bolt of Jamaica holds the world records for the 100 meters and 200 meters sprints, with times of 9.58 seconds and 19.19 seconds, respectively.

4) The corpse flower, or titan arum, is known for its unpleasant smell, often compared to that of rotting flesh.