Hydrangeas and the Science of Do-Overs

Reactions Science Videos | July 05, 2018

We tried to use chemistry to change hydrangea flowers from red to blue. It didn’t work the first time, so we tried again. Science: It’s all about the do-over. Because experiments aren’t just for fun -- the whole point is to learn something about the world around us!


Sources:

American Scientist: Curious Chemistry Guides Hydrangea Colors

Role of aluminum in red-to-blue color changes in Hydrangea macrophylla sepals.

How to Change Hydrangea Color

Metal Complex Pigment Involved in the Blue Sepal Color Development of Hydrangea

Alleviating effect of citrate on aluminium toxicity of rice (Oryza sativa L.) seedlings

Interna1 Detoxification Mechanism of AI in Hydrangea'

Curious Chemistry Guides Hydrangea Colors

Ever wonder why dogs sniff each others' butts? Or how Adderall works? Or whether it's OK to pee in the pool? We've got you covered: Reactions a web series about the chemistry that surrounds you every day.

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