1) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.

2) The process of nuclear fusion powers the sun and other stars, fusing hydrogen atoms together to form helium and releasing vast amounts of energy in the process.

3) The rise of remote work and digital transformation has been accelerated by the COVID-19 pandemic, leading to changes in work dynamics, reliance on digital technologies, and the reimagining of traditional office spaces.

4) The world's first paper money was created in China over 1,000 years ago.