# هوپا، انجمن علم ایران (Hupaa)

> Persian-language science Q&A and discussion forum, active since 2002: physics, astronomy, mathematics, chemistry, life sciences, IT and philosophy of science. About 46,000 members, 24,000 topics and 330,000 posts. Content is user-generated; cite the topic URL.

## Forums
- [فیزیک](https://hupaa.com/f/45/%D9%81%DB%8C%D8%B2%DB%8C%DA%A9)
- [نجوم](https://hupaa.com/f/3/%D9%86%D8%AC%D9%88%D9%85)
- [شیمی](https://hupaa.com/f/50/%D8%B4%DB%8C%D9%85%DB%8C)
- [رياضيات](https://hupaa.com/f/16/%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%D8%A7%D8%AA)
- [علوم زیستی](https://hupaa.com/f/49/%D8%B9%D9%84%D9%88%D9%85-%D8%B2%DB%8C%D8%B3%D8%AA%DB%8C)
- [فناوری اطلاعات](https://hupaa.com/f/41/%D9%81%D9%86%D8%A7%D9%88%D8%B1%DB%8C-%D8%A7%D8%B7%D9%84%D8%A7%D8%B9%D8%A7%D8%AA)
- [گفتگوی آزاد](https://hupaa.com/f/12/%DA%AF%D9%81%D8%AA%DA%AF%D9%88%DB%8C-%D8%A2%D8%B2%D8%A7%D8%AF)

## Key pages
- [Latest discussions](https://hupaa.com/latest)
- [Articles](https://hupaa.com/articles): Hupaa's own science articles, incl. restored ones from the old Hupaa magazine
- [Most thanked members and posts](https://hupaa.com/thanks)
- [About Hupaa](https://hupaa.com/about)
- [Rules](https://hupaa.com/rules)
- [Sitemap](https://hupaa.com/sitemap.xml)

## Related sites by the same founder
- [Iliad Magazine](https://iliadmag.com/fa): Persian science magazine (former Hupaa articles)
- [Falakbin](https://falakbin.ir): live astronomy data and news