Has your fresh juicy apple been replaced by an unsightly brown fruit? A special compound called polyphenol oxidase (PPO) is behind the transformation.

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Your toothpaste and face scrub probably get their scrubbing power from tiny plastic beads contained within. What is the environmental impact? How can you limit your use? (2:37 min.)

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CurioCity resources which align with Alberta's Chemistry 20 Unit A: The Diversity of Matter and Chemical Bonding

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Nanofibres are 50 times thinner than the threads spun by spiders. Scientists are looking at ways to use these amazing fibres in everyday life.

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