7 countries that have changed their names

1. Mexico - New Spain
2. Suriname - Dutch Guiana
3. Ghana - Gold Coast
4. Indonesia - Netherlands East Indies
5. Mali - French Sudan
6. Belize - British Honduras
7. Moldova - Moldavia

7 co-conspiritors in the 1605 gunpowder plot

1. John Wright
2. Thomas Wintour
3. Thomas Percy
4. Robert Keyes
5. Thomas Bates
6. Robert Wintour
7. Sir Ambrose Rookwood

7 Norse Jötnar

1. Ægir
2. Bolthorn
3. Fornjót
4. Gríðr
5. Hrímgerðr
6. Ymir
7. Fárbauti

7 native british trees

1. Hazel
2. Oak
3. Rowan
4. Hornbeam
5. Willow
6. Yew
7. Beech

7 articles in this week's Nature Journal

1. The structural basis for membrane binding and pore formation by lymphocyte perforin
2. Stem cells: The intestinal–crypt casino
3. Biogeochemistry: Phosphorus and the gust of fresh air
4. Quantum tunnelling of the magnetization in a monolayer of oriented single-molecule magnets
5. The proteasome antechamber maintains substrates in an unfolded state
6. On-line, voluntary control of human temporal lobe neurons
7. Chronic high-fat diet in fathers programs β-cell dysfunction in female rat offspring

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

1. Mosse
2. Raphael
3. Canada
4. Epitaph
5. Sand
6. Downsizing
7. Will 2K / Rock the Casbah

7 real life pirates

1. Anne Bonny
2. Benjamin Hornigold
3. Cheung Po Tsai
4. Stede Bonnet
5. Thomas Tew
6. William Kidd
7. Chales Vane