Showing results for: Chemistry

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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Bee venom can spread quickly through your body and attack your cells. Usually, the damage is minor and symptoms disappear within a few days. But if you’re allergic to bee stings, the reaction can be deadly.

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No matter how you feel about tofu, you’ll probably think it’s pretty neat once you hear how it’s made!

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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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This resource provides educators with the tools to help them take students from their initial thinking about careers to a deeper understanding of the variety of careers available.

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A free one-day event for students in Grades 11-12, organized by the Let’s Talk Science Outreach site and the Nanotechnology Group at the University of Alberta.

This event takes place on Friday, February 24, 2017.

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The gold we find on Earth did not come from our planet’s rocky crust. It was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. So gold is really extraterrestrial! (4:34 min.)

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It’s so obvious that it’s practically proverbial: you can’t unboil an egg. But actually, it turns out that you can -- sort of. (4:09 min.)

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From highlighters to reflective road signs, fluorescence is all around you. But some of the most exciting uses of fluorescence are in medicine and biomedical research.

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It’s worth taking the time to understand the nitrogen cycle, because it has many important impacts on the planet. In particular, it helps you and many other living things get the nitrogen they need to survive.

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