7 types of loom

1. Back Strap Loom
2. Warp Weighted Loom
3. Drawloom
4. Handloom
5. Haute Lisse Loom
6. Lancashire Loom
7. Rapier Loom

7 natural wonders of the world

1. Amazon Rainforest
2. Komodo National Park
3. Jeita Grotto
4. Angel Falls
5. Vesuvius
6. Uluru
7. Milford Sound

7 outer hebridean islands

1. Barra
2. Benbecula
3. Berneray
4. Harris
5. Lewis
6. North Uist
7. St Kilda

7 most popular entertainment wikis on Wikia

1. Wookieepedia - Star Wars Wiki
2. Narutopedia - Naruto Anime and Manga Wiki
3. Marvel Database - Marvel Comics Wiki
4. Harry Potter Wiki
5. SGCommand - Stargate Wiki
6. Memory Alpha - Star Trek Wiki
7. Fairy Tail Wiki - Fairy Tail Manga Wiki

7 german inventors

1. Adolf von Baeyer - Bakerlite
2. Baron Karl von Dais de Sauerbrun - Bicycle with handlebars
3. Levi Strauss - Jeans
4. Robert Wilhelm Bunsen - Bunsen Burner
5. Hans Wilhelm Geiger - Geiger Counter
6. Karl Benz - Automobile powered by an internal-combustion engine
7. Johannes Gutenberg - Moveable type printing press

7 answers we got right in this week's University Challenge

1. Heavy Water
2. Smith
3. Arabian Nights
4. Devolution
5. Peru
6. Yahoo
7. 1

7 latest winners of the Epsom Derby horse race

1. 2010 - Workforce
2. 2009 - Sea the Stars
3. 2008 - New Approach
4. 2007 - Authorized
5. 2006 - Sir Percy
6. 2005 - Motivator
7. 2004 - North Light