1) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.

2) The word "pencil" contains two vowels: E and I.

3) The recent increase in cyber attacks, including ransomware attacks targeting critical infrastructure, businesses, and individuals, has highlighted the importance of cybersecurity measures and the need for enhanced protection against evolving threats.

4) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.