Pleistocene The lower boundary of the Pleistocene Series is formally defined magnetostratigraphically as the base of the Matuyama (C2r) chronozone, isotopic stage 103. Above this point there are notable extinctions of the calcareous nanofossils: "Discoaster pentaradiatus" and "Discoaster surculus". The Pleistocene covers the recent period of repeated glaciations. The name Plio-Pleistocene has, in the past, been used to mean the last ice age. The revised definition of the Quaternary, by pushing back the start date of the Pleistocene to 2.58 Ma, results in the inclusion of all the recent repeated glaciations within the Pleistocene. The modern continents were essentially at their
Animated documentary feature-length animated documentary. Some animated documentaries that were nominated or won for Oscars are "So Much for So Little" (1949) , "Sunrise Over Tiananmen Square" (1998) , "" (2005), "I Met the Walrus" (2007) and "Last Day of Freedom" (2015). Animated documentary The animated documentary is a genre of film which combines animation and documentary. This genre should not be confused with documentaries about movie and TV animation history that feature excerpts. The first recognized example of this genre is Winsor McCay's 1918 12-minute-long film "The Sinking of the Lusitania", which uses animation to portray the 1915 sinking of after