Short answers, pulled from the story.
The earliest evidence of scientific thinking emerged in the dry sands of Neolithic Egypt, where the Nabta Playa people constructed massive stone circles to track the movement of stars. These structures were built thousands of years before the pyramids, revealing that human curiosity about the cosmos predates written history by millennia.
Thales of Miletus proposed that water was the fundamental substance of all things in the 6th century BCE. This was the first recorded attempt to explain natural phenomena without relying on the intervention of gods or supernatural forces.
The term scientist was coined in 1834 to replace the older title of natural philosopher. This era saw the professionalization of science, with the emergence of precision instruments, the establishment of scientific journals, and the creation of national academies like the British Royal Society.
The Human Genome Project was completed in 2003, identifying and mapping all the genes of the human genome. This achievement allowed scientists to understand the genetic blueprint of human life and paved the way for advancements in medicine and biology.
The first observation of gravitational waves occurred in 2015, validating a prediction made a century earlier. This discovery confirmed aspects of Albert Einstein's theory of relativity and opened new avenues for understanding the universe.