biomimicry
![a collection of shells of different types](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10752/img_0785_cropped.jpg?h=d770550b&itok=lSBck56O)
Why are Seashells so Strong?
In this activity, learners explore seashells and various structural models to discover that seashells are a composite material made of both inorganic and organic materials.
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![Closeup photo of Blue Morpho Butterfly](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/10473/screen_shot_2012-06-06_at_4.21.34_pm.png?h=9e7b4264&itok=Pu_kczbB)
Butterfly Blues video
In this O Wow Moments video, Mr. O talks about iridescence and Blue Morpho butterflies.
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![Poster image showing a gecko and gecko-inspired robot](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/8891/posters.png?itok=x7gYplIJ)
NanoDays Key Concepts Posters
Posters showing nano key concepts.
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![two children looking at Blue Morpho butterfly](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8886/butterfly.jpg?h=aabaf923&itok=-SMZfUJN)
Exploring Structures - Butterfly
In this activity, learners investigate how butterfly wings get their color and that some wings get their color from the nanoscale structures on the wings instead of pigments.
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![The supervillain Dr. Blot dressed in a crazy costume](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8601/stains.png?h=a2f616d4&itok=9DVE-Mrv)
I Got No Stains on Me
In this O Wow Moments video, Mr. O explores how nanotechnology is used to create clothes that are stain resistant.
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![Children looking at Gecko with magnifying glass](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/8438/nise_net_press_photo_0019.jpg?h=22b7f206&itok=-zEDpgtI)
Biomimicry: From Nature to Nanotech
In this long activity, learners will engage in activities showing various natural phenomena that scientists and engineers have emulated to address human problems.
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![Formative Evaluation icon with blue background and image of a buckyball structure](https://nisenet.org/sites/default/files/styles/curated_list_large/public/images/catalog/eval_icon_formative_55.png?itok=mCj1Q9qA)
Biomimicry 2010 Formative Evaluation
Formative evaluation for the Nanoscale Informal Science Education Network.
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