Explore Science on This Day for 3 November with the Oak Ridge X-10 nuclear reactor, Laika’s journey aboard Sputnik 2, and NASA’s Mariner 10 mission to Mercury. Discover classroom activities and discussion questions for middle and high school science, covering nuclear physics, research ethics, space exploration, gravity and engineering.

Explore Science on This Day for 2 November with George Boole and computer logic, KDKA’s early radio broadcast, the Hughes H-4 Hercules aircraft, and the first long-duration ISS crew. Discover practical science history activities for middle and high school, with classroom discussion ideas spanning mathematics, physics, computing, engineering and space science.