A sufficient thickness of water, along the order of several centimeters, is effective at shielding against cosmic rays (radiation).
Although the children of identical twins are, legally speaking, first cousins, they are, genetically speaking, more like half siblings.
Train melodies are the short musical tones played when a train is arriving or departing from a station; while some trains use the same melody for both arrival and departure, many trains have different melodies intended to relax the passengers as the journey begins or alert them to the coming departure from the train.
The term “bluestocking” was used in the latter part of the 18th century to refer to an educated, intellectual woman who might or might not have been a member of the Blue Stockings Society, an informal women’s social and educational movement started by British social reformer and literary critic Elizabeth Montagu.
James Bond has killed 352 people across 22 official films (before Skyfall); among all the actors that have played Bond, Pierce Brosnan has dispatched the most enemies (47 people in GoldenEye alone).