Codex on the Flight of Birds of a kite as seeking a wind current. When the winds are high, one will see the bird very high in the sky, but when the winds are low, the bird stays closer to the ground. Leonardo describes how a bird rests in the air, after flapping its wings to gain altitude, by gliding downward to the ground. Folio 6 contains multiple diagrams of birds flying and their bone structure, and all of the commentary is on flight and how birds fly the way that they do. Leonardo starts off by describing how a bird ascends or descends in different
Censorship of Twitter after being arrested by the Emirati authorities for tweeting "I miss my brother". The three sisters are thought to have had no access to legal representation or their family. Then-Prime Minister David Cameron threatened to shut down Twitter among other social networking sites for the duration of the 2011 England riots, but no action was taken. Twitter images were temporarily blocked in Venezuela in February 2014 along with other sites used to shares images including Pastebin.com as well as Zello, a walkie-talkie app. In response to the block, Twitter offered Venezuelan users a workaround to use their accounts via text