# @stem_antics on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DPkcfpmkSNR
- **Gondola URL:** https://gondola.cc/posts/76866362-stem-antics-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/a37064b257.jpg
- **Posted:** 2025-10-09T01:08:38.000+00:00
- **Account Owner:** Stem Antics (@stem_antics) — https://gondola.cc/stem_antics

## Caption

Meet Darwin’s Bark Spider (Caerostris darwini) — one of nature’s engineering marvels.

🕸 Crazy facts:
• Builds orb webs spanning up to 25 meters across rivers. 
• Its silk is among the toughest biological materials ever measured — about 10× tougher than Kevlar in some metrics. 
• Huge sexual dimorphism: females ~18–22 mm, males ~6 mm. 
• Unique behavior: builds “bridge lines” first (to span water), then constructs the web below them. 

Which fact surprised you most? Drop a comment.

🔖 Save & share if you love nature’s superstructures.

#SpiderSilk #NatureEngineering #Biomaterials #MadagascarWildlife #ArachnidFacts #stem #stemantics

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- **Likes:** 115
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## Credits

No public credits are recorded here. This does not identify who made the post.

## Tags

natureengineering, biomaterials, madagascarwildlife, stem, arachnidfacts, spidersilk, stemantics

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