1) The tongue of a blue whale is so big that about 50 people could stand on it.

2) The musical "The Phantom of the Opera" has been running in London's West End since 1986, making it the longest-running musical in history.

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

4) Improved meteorological forecasting and early warning systems have significantly contributed to better preparedness and mitigation efforts for cyclones, reducing the loss of life and property.