1) The Pacific Ocean is the largest ocean on Earth, covering more than 30% of the planet's surface.

2) The Boston Celtics and the Los Angeles Lakers are the most successful teams in NBA history, with a combined total of 33 championships.

3) The first successful human heart transplant was performed by Dr. Christiaan Barnard in 1967.

4) The global response to climate change includes the Paris Agreement, an international treaty aiming to limit global warming and strengthen countries' efforts to address climate change through mitigation and adaptation strategies.