United States dollar or ""bill"" (e.g. ""two bills"" being $200). The $50 note is occasionally called a ""yardstick"" or a ""grant"" (after President Ulysses S. Grant, pictured on the obverse). The $20 note is referred to as a ""double sawbuck"", ""Jackson"" (after Andrew Jackson), or "double eagle". The $10 note is referred to as a ""sawbuck"", ""ten-spot"" or ""Hamilton"" (after Alexander Hamilton). The $5 note as ""Lincoln"", ""fin"", ""fiver"" or ""five-spot"". The infrequently-used $2 note is sometimes called ""deuce"", ""Tom"", or ""Jefferson"" (after Thomas Jefferson). The $1 note as a ""single"" or ""buck"". The dollar has also been referred to as a ""bone""
Science as a Vocation studies science or humanities. Weber probes the question "what is the value of science?" and focuses on the nature of ethics underpinning the scientific career. Science, to Weber, gives methods of explanation and means of justifying a position, but it cannot explain why that position is worth holding in the first place; this is the task of philosophy. No science is free from suppositions, and the value of a science is lost when its suppositions are rejected. Weber reasons that science can never answer the fundamental questions of life, such as directing people on how to live their lives and