In 2008, a girl lost four fingers in Minnesota, but they were successfully reattached.
Imagine a repertoire of simple hand gestures: say, touching your thumb to each of your four fingers.
Duke coach Mike Krzyzewski burned a timeout, and Louisville forward Chane Behanan held up four fingers to the partisans behind the Louisville bench.
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It has four fingers and a thumb made from various metals and plastics, and even has polycarbonate fingernails to help it prise things apart.
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"I pulled my hand out of the water and it had pretty much lopped off all four fingers, " he told local paper The Spokesman-Review.
Out of the box, swiping four fingers upwards brought up Windows Aero Flip 3D and then swiping a finger across let us toggle between the windows.
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The four fingers were leaning to one side, the thumb hung in front of them and something about those fingers and that thumb seemed to me the shape of despair.
Of all the storylines drawing attention ahead of Tuesday's Champions League match between Arsenal and Bayern Munich, this has to be the strangest: one of Bayern goalkeeper Manuel Neuer's gloves will only have four fingers.
"Personally look at the bed and see if by pushing the mattress to the far side of the bed they can make a gap that is big enough to put four fingers between that and the rail, " he advises.
The hand, which is said to be a "feat of microscale mechanical systems (MEMS), " measures just one millimeter across when closed into a fist, features four "fingers" made of six silicon wafers each, and touts four gas-powered balloons acting as the muscles at the wafers' joints.
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The iPad also gains some multitouch multitasking gestures, which are pretty interesting, actually: you can use four or five fingers to pinch to the home screen, swipe up to reveal the multitasking bar, and swipe left or right between apps.
Now, there are a couple of obvious red flags here -- using "four or five fingers" sounds pretty unreasonable for a 3.5-inch display, though it'd certainly tie in with recent rumors that Apple's turning sour on the physical Home button and might indicate that the complete redesign we're hearing about could include a slightly larger display.
Taylor closed in on his 50 when Broad let his drive to deep backward point slip through his fingers for four, and the 24-year-old notched his second half-ton of the match with a stunning drive square of the wicket.
Physically, where Western classical ballet is grounded in five numbered positions for the feet, Khmer's ballet has its foundation in four key hand positions, all articulated by seemingly boneless fingers and named for aspects of nature: tree, leaf, flower, fruit.
Casillas, has played with a four-fingered glove on his left hand to protect his third and fourth fingers ever since he injured them in a 2006 World Cup.
Nadal took a full four weeks off after Wimbledon and then battled through a tendon injury in his foot and his fingers being burned when he tried to move a scalding plate while in Cincinnati.
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