1) The world's oldest living plant is believed to be a clonal shrub called "Old Tjikko" in Sweden, estimated to be over 9,500 years old.

2) The word "oxygen" contains two vowels: O and E.

3) The impact of social media platforms on society and politics has been a subject of debate, including concerns about misinformation, privacy, online harassment, and the influence of these platforms on public opinion and democratic processes.

4) The Industrial Revolution led to significant urbanization, as people migrated from rural areas to cities in search of employment in factories.