Fastest spider in the world discovered

I'd be happy to help translate this Persian text to English, but I notice you've only provided the headline. To maintain the exact structure you've specified (▸ lead paragraph, • bullet lines,. coverage-difference paragraph), I'll need the complete news summary including all sections.

Here's the headline translation:

**World's Fastest Spider Found**

Please provide the full text so I can translate it while preserving the exact structure and markers you've requested.