Showing results for: Nature of Science

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CurioCity28 February 2017

In April 2016, three Let’s Talk Science outreach sites worked together to send a helium balloon to the edge of space. It was the first time that volunteers from the University of Guelph, McMaster University and the University of Toronto Mississauga had participated in the the National High Altitude Balloon Experiment.

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with Starting Points

CurioCity16 February 2017

The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev's periodic table the one that has endured? (4:24 min.)

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CurioCity6 February 2017

Meter is the standard unit of length used by most countries around the world. But how did they define it? (4:44 min.)

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CurioCity15 December 2016

When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? (5:29 min.)

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Brittney G. Borowiec9 December 2016

Scientists can’t bring people back from the dead just yet. However, they have discovered that some parts of your cells remain active long after you die.

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CurioCity8 December 2016

I work on poop, specifically the multitudes of microbes that live inside poop. That doesn't sound very glamorous, but we now understand that these microbes have a fundamental role in our health and well-being; we have been very slow to realize this, and our current western lifestyle choices can be hostile to our microbes, in extreme cases causing disease.

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CurioCity30 November 2016

What is the difference between a theory and a law... and is one “better”? Matt Anticole shows why science needs both laws and theories to understand the whole picture.

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CurioCity30 November 2016

This video uses thermal imaging to show why it is important to stir mixtures using examples of an acid and an alkali in water. (6:09 min.)

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CurioCity23 November 2016

When we measure things, most people are only worried about how accurate, or how close to the actual value, they are. Matt Anticole explains what exactly precision is and how can help us to measure things better. (4:52 min.)

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Ivan Lee22 November 2016

In September 2016, the American Food and Drug Administration (FDA) decided to ban antibacterial soaps. But some organizations, like the American Cleaning Institute, are against the ban.

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