1) The word "flower" contains two vowels: O and E.

2) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

3) The term "cloud computing" refers to the delivery of computing services, including storage, databases, and software, over the internet rather than on a local server.

4) The Northern Lights, also known as the Aurora Borealis, are natural light displays that occur in the polar regions due to interactions between the Earth's magnetic field and solar particles.