The history of science is filled with discoveries and innovations that have changed the world and advanced human knowledge. Here are some of the most significant discoveries and innovations in the history of science:

1. The discovery of gravity by Sir Isaac Newton: Newton's law of universal gravitation revolutionized the field of physics, leading to a greater understanding of the movement of celestial bodies.

2. The invention of the printing press by Johannes Gutenberg: The printing press enabled the mass production of books, leading to a greater dissemination of knowledge and the democratization of education.

3. The discovery of penicillin by Alexander Fleming: Fleming's discovery of penicillin revolutionized medicine, leading to the development of antibiotics that have saved countless lives.

4. The development of the steam engine by James Watt: The steam engine revolutionized transportation and industry, leading to the Industrial Revolution and the modern era.

5. The discovery of DNA by James Watson and Francis Crick: The discovery of the structure of DNA revolutionized the field of biology and led to a greater understanding of genetics.

6. The development of the internet: The internet has revolutionized communication, information sharing, and commerce, leading to a greater interconnectedness and globalization of society.

7. The development of the electric motor by Michael Faraday: The electric motor revolutionized transportation and industry, leading to the development of electric cars and the modern electrical grid.

8. The development of the transistor by John Bardeen, Walter Brattain, and William Shockley: The transistor revolutionized electronics, leading to the development of computers, smartphones, and other modern devices.

9. The discovery of the laws of thermodynamics: The laws of thermodynamics revolutionized the field of physics and led to a greater understanding of energy and entropy.

10. The discovery of the Higgs boson: The discovery of the Higgs boson particle confirmed the existence of the Higgs field and provided a greater understanding of the origins of mass.

These discoveries and innovations have changed the world and advanced human knowledge in countless ways. They demonstrate the power of science to transform society and the importance of continued scientific research and discovery.