1) 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.

2) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.

3) The ozone layer, located in the Earth's stratosphere, protects us from harmful ultraviolet (UV) radiation.

4) The New York Stock Exchange (NYSE) is the largest stock exchange in the world.