7 nuclear power stations in UK

1. Hinkley Point
2. Dungeness
3. Sizewell
4. Torness
5. Hartlepool
6. Wylfa
7. Hunterston

7 products made by Mars

1. M&Ms
2. Altoids
3. Lockets
4. Whiskas Cat Food
5. Pedigree Chum
6. Aquarium Parmaceuticals
7. Pregnancy Plus Male Edition

7 words/combinations of words blacklisted on Google instant

1. bimbos
2. white powder
3. paris hilton
4. leather straight jacket
5. wrinkled starfish
6. kama
7. i hate blacklists

7 book series written by Tracy Hickman

1. Dragonlance
2. Darksword
3. Death Gate Cycle
4. Starshield
5. Dragonships of Vindras
6. Bronze Canticles
7. The Annals of Drakis

7 nearest stars to the Sun

1. Proxima Centauri
2. Alpha Centauri A
3. Alpha Centauri B
4. Barnard's Star
5. Wolf 359
6. Lalande 21185
7. Sirius A

7 indigenous Australian languages

1. Nyulnyulan
2. Bunaban
3. Wororan
4. Djeragan
5. Djamindjungan
6. Limilngan
7. Yiwaidjan

7 forms of wrestling

1. Greco-Roman
2. Freestyle
3. Grappling
4. Beach Wrestling
5. Sambo
6. Backhold Wrestling
7. Catch Wrestling (Catch-as-Catch-Can)