7 Lazarus Species

1. Fernandina rice rat - Believed extinct in 1996 but found again in late 1990s
2. Wooly flying squirrel - Believed extinct in the late 19th Century but found again in the 1990s
3. Tammar Wallaby - Believed extinct in 1925 but found again in 1998
4. New Zealand Storm Petrel - Believed extinct in 1850 but found again in 2003
5. Banggai Crow - Believed extinct in 1885 but found again in 2008
6. Arakan Forest Turtle - Believed extinct in 1908 but found again in 1994
7. La Palma Giant Lizard - Believed extinct in 1500s but found again in 2007

7 largest trans Neptunian objects (TNOs)

1. Eris
2. Pluto
3. Makemake
4. Haumea
5. Sedna
6. Orcus
7. 2007 OR₁₀

7 russian composers born in the 19th Century

1. Nikolai Rimsky-Korsakov (1844–1908)
2. Pyotr Ilyich Tchaikovsky (1840–1893)
3. Igor Stravinsky (1882–1971)
4. Alexander Borodin (1833–1887)
5. Nikolai Medtner (1880–1951)
6. Sergei Prokofiev (1891–1953)
7. Sergei Rachmaninoff (1873–1943)

7 uses for WD-40

All taken from the Official List of 2000+ uses for WD-40.

1. Removes stickers from CD cases
2. Cleans ostrich eggs for craft use
3. Softens and dissolves dried manure from work boots
4. Cleans printer toner from unwanted places
5. Removes tar from feet
6. Keeps wicker chairs from squeaking
7. Removes a Boa Constrictor stuck in engine compartment of cars

7 TV shows created by Gerry Anderson

1. Thunderbirds
2. Fireball XL5
3. Stingray
4. Captain Scarlet
5. Supercar
6. UFO
7. Terrahawks

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

1. Starter
2. Vietnam
3. Once
4. Primrose
5. Gershwin
6. Divinity
7. Russia

7 F1 drivers that failed to finish the Bahrain GP

1. Karun Chandhok
2. Lucas di Grassi
3. Kamui Kobayashi
4. Vitaly Petrov
5. Timo Glock
6. Bruno Senna
7. Pedro de la Rosa