Largest organisms photosynthetic unicellular and multicellular protists that are related to land plants. The thallus of the unicellular mermaid's wineglass, "Acetabularia", can grow to several inches (perhaps 0.1 to 0.2 m) in length. The fronds of the similarly unicellular, and invasive "Caulerpa taxifolia" can grow up to a foot (0.3 m) long. A member of the order Cetacea, the blue whale ("Balaenoptera musculus"), is thought to be the largest animal ever to have lived. The maximum recorded weight was 190 metric tonnes for a specimen measuring , whereas longer ones, up to , have been recorded but not weighed. The African bush
Return to the Centre of the Earth Return to the Centre of the Earth Return to the Centre of the Earth is a studio album by the English keyboardist Rick Wakeman, released on 15 March 1999 on EMI Classics. The album is a sequel to his 1974 concept album "Journey to the Centre of the Earth", itself based on the same-titled science fiction novel by Jules Verne. Wakeman wrote a new story of three unnamed travellers who attempt to follow the original journey two hundred years later, including the music which features guest performances from Ozzy Osbourne, Bonnie Tyler, Tony Mitchell, Trevor Rabin, Justin Hayward, and Katrina