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The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
2012 United States Senate elections ← 2010 November 6, 2012 2014 → 2013 (MA, NJ) → 33 of the 100 seats in the United States Senate 51 seats needed for a majority Majority party Minority party Leader Harry Reid Mitch McConnell Party Democratic Republican Leader's seat Nevada Kentucky Seats before 51 47 Seats after 53 45 Seat change 2 2 Popular vote 49,988,282 39,128,301 Percentage 53.4% ...
Psychology is the scientific study of mind and behavior. [1] [2] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives.
Tendulkar was dismissed five times in 2007 between 90 and 100, including three times at 99, leading some to suggestions that he struggles to cope with nervousness in this phase of his innings. [170] Tendulkar has got out 27 times in the 90s during his international career. [ 171 ]
[1] [better source needed] As required by Cambridge University policy, Hawking retired as Lucasian Professor of Mathematics in 2009. [ 122 ] [ 210 ] Despite suggestions that he might leave the United Kingdom as a protest against public funding cuts to basic scientific research, [ 211 ] Hawking worked as director of research at the Cambridge ...
In his Politics 1.2–7; 3.14, Aristotle even described barbarians as natural slaves in contrast to the Greeks. Herodotus (8.144.2) gave a famous account of what defined Greek (Hellenic) ethnic identity in his day, enumerating shared descent (ὅμαιμον – homaimon, "of the same blood"), [16] [17] [18]