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

2) The New England Patriots and the Pittsburgh Steelers hold the record for the most Super Bowl wins, with six championships each.

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

4) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.