I trained for and flew on two space missions: STS-78 space shuttle mission in 1996 and ISS Expedition 20/21 in 2009.

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Chris Hadfield talks about how living in space changed his perception of humans, the Earth, how we impact the Earth, and our place in the Solar System.

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The inspiring story of John G. FitzGerald, public health visionary and founder of Connaught Labs.

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Learn how Ernest Rutherford conducted a historical experiment that revealed that most of the mass of an atom is concentrated in a tiny nucleus made of protons and neutrons.

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Learn more about the life and work of Ernest Rutherford, who is considered by many to be the ‘father of nuclear physics.’

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This video from PhD Comics and Neil Armstrong highlights the importance of engineering and technology in the 20th century.

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Learn about how the band Barenaked Ladies reduces their environmental impact while on tour.

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Dr. Armand Frappier was a driving force in the deadly battle against tuberculosis and in the 1930s became an advocate for full-scale, anti-tuberculosis vaccinations in North America.

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Graduating from the University of Toronto in 1913, Menten was one of the first Canadian women to receive a medical degree.

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