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On This Day

A date in history of medicine, science, environmental study, space exploration of benefit to our knowledge of earth and life sciences of interest.

Rocket Images

Rocket Images

On September 17, 1857, self-taught physicist Konstantin Tsiolkovsky was born in Russia. Enamoured by the possibility of space flight and the potential of rockets to make it happen, he wrote about the subject in science fiction and technical papers… in hundreds of publications. He…

Bone of Construction

Bone of Construction

On September 5, 1892, Danish anthropologist and cartographer Therkel Mathiassen was born. He studied Arctic cultures at sites from Greenland to Nunavut and followed the spread of culture and emigration of Inuit ancestors. He named these the Thule people. Mathiassen located little groups of…

Giant Footsteps

Giant Footsteps

On August 31, 1821, German physician and physicist Hermann Ludwig Ferdinand von Helmholtz was born. He became a universal scholar – natural science, medicine, physiology, physics, chemistry, music, acoustics, electromagnetics, meteorology, and their related technologies. He explored current theories, performed his own experimental research,…