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2015
2016
$26.99, May 28 - Jun 28 $27.36, Jun 29 - Jul 7 $27.08, Jul 8 - Jul 21 $26.80, Jul 22 - Jul 30 $26.53, Jul 31 - Aug 10 $26.26, Aug 11 - Aug 21 $25.99, Aug 22 - Aug 27 $21.77, Aug 28 - Sep 24 $23.76, Sep 25 - Sep 27 $23.62, Sep 29 6:21 pm $21.77, Oct 1 - Dec 2 $26.87, Dec 3 10:48 pm $24.61, Dec 3 - Dec 7 $20.61, Dec 3 10:48 pm $27.22, Dec 8 12:46 am $24.38, Dec 8 - Dec 9 $20.92, Dec 8 12:46 am $24.25, Dec 10 - Dec 11 $20.30, Dec 10 - Dec 11 $20.25, Dec 10 - Dec 12 $24.38, Dec 12 - Dec 18 $20.25, Dec 10 - Dec 12 $19.25, Dec 12 8:14 am $24.38, Dec 12 - Dec 18 $20.40, Dec 13 9:04 am $20.35, Dec 13 9:04 am $24.38, Dec 12 - Dec 18 $20.36, Dec 15 9:09 am $20.30, Dec 15 9:09 am $24.38, Dec 12 - Dec 18 $19.58, Dec 17 10:11 am $19.53, Dec 17 10:11 am $24.38, Dec 12 - Dec 18 $19.55, Dec 18 10:32 am $18.96, Dec 18 10:32 am $24.61, Dec 21 - Dec 30 $21.62, Dec 21 - Dec 30 $20.31, Dec 21 8:28 am $24.61, Dec 21 - Dec 30 $21.62, Dec 21 - Dec 30 $19.36, Dec 30 12:30 pm $22.67, Dec 31 - Jan 7 $19.20, Jan 1 3:30 am $18.56, Jan 1 - Jan 9 $22.67, Dec 31 - Jan 7 $18.92, Jan 3 12:41 am $18.56, Jan 1 - Jan 9 $22.67, Dec 31 - Jan 7 $18.72, Jan 4 3:25 pm $18.56, Jan 1 - Jan 9 $22.67, Dec 31 - Jan 7 $18.56, Jan 1 - Jan 9 $18.55, Jan 5 - Jan 6 $23.23, Jan 8 4:01 am $18.56, Jan 1 - Jan 9 $18.55, Jan 8 4:01 am $23.55, Jan 9 - Jan 11 $20.03, Jan 9 - Jan 10 $18.84, Jan 9 - Jan 10 $23.66, Jan 12 - Jan 13 $19.04, Jan 12 - Jan 13 $18.00, Jan 11 - Jan 12 $24.61, Jan 13 11:12 pm $24.10, Jan 13 11:12 pm $19.54, Jan 13 11:12 pm $29.31, Jan 15 5:31 pm $27.68, Jan 14 - Jan 27 $26.44, Jan 15 5:31 pm $27.84, Jan 17 10:02 am $27.68, Jan 14 - Jan 27 $26.88, Jan 17 10:02 am $31.24, Jan 19 2:42 am $27.68, Jan 14 - Jan 27 $26.92, Jan 18 - Jan 19 $32.32, Jan 19 - Jan 20 $27.68, Jan 14 - Jan 27 $26.95, Jan 19 - Jan 20 $28.97, Jan 22 2:08 pm $27.68, Jan 14 - Jan 27 $22.72, Jan 22 2:08 pm $27.68, Jan 14 - Jan 27 $21.65, Jan 25 2:54 am $21.09, Jan 25 2:54 am $27.68, Jan 14 - Jan 27 $21.09, Jan 26 - Jan 27 $21.04, Jan 26 - Jan 27 $24.61, Jan 28 - Feb 17 $20.66, Jan 28 - Jan 29 $20.61, Jan 28 - Jan 29 $24.61, Jan 28 - Feb 17 $24.43, Jan 30 10:00 am $24.31, Jan 30 10:00 am $24.61, Jan 28 - Feb 17 $20.66, Feb 1 6:01 am $20.60, Feb 1 6:01 am $24.61, Jan 28 - Feb 17 $20.56, Feb 3 3:33 am $19.69, Feb 3 - Feb 4 $24.61, Jan 28 - Feb 17 $20.53, Feb 4 - Feb 11 $19.69, Feb 3 - Feb 4 $24.61, Jan 28 - Feb 17 $20.58, Feb 5 - Feb 6 $20.53, Feb 4 - Feb 11 $24.61, Jan 28 - Feb 17 $20.53, Feb 4 - Feb 11 $19.69, Feb 7 - Feb 14 $24.61, Jan 28 - Feb 17 $20.51, Feb 12 - Feb 14 $19.69, Feb 7 - Feb 14 $24.61, Jan 28 - Feb 17 $20.54, Feb 15 - Feb 16 $20.49, Feb 15 - Feb 16 $24.61, Jan 28 - Feb 17 $20.47, Feb 17 10:39 pm $20.42, Feb 17 10:39 pm $22.67, Feb 18 - Apr 11 $19.28, Feb 19 10:30 am $18.67, Feb 18 - Feb 28 $22.67, Feb 18 - Apr 11 $18.67, Feb 18 - Feb 28 $18.57, Feb 21 9:48 am $22.67, Feb 18 - Apr 11 $18.67, Feb 18 - Feb 28 $18.56, Feb 22 - Feb 23 $22.67, Feb 18 - Apr 11 $19.28, Feb 24 - Feb 25 $18.67, Feb 18 - Feb 28 $22.67, Feb 18 - Apr 11 $18.67, Feb 18 - Feb 28 $18.66, Feb 26 8:19 am $22.67, Feb 18 - Apr 11 $19.28, Feb 28 7:35 am $18.67, Feb 18 - Feb 28 $22.67, Feb 18 - Apr 11 $18.66, Mar 1 - Mar 3 $18.66, Mar 1 - Mar 3 $22.67, Feb 18 - Apr 11 $19.07, Mar 5 10:55 pm $19.07, Mar 5 10:55 pm $22.67, Feb 18 - Apr 11 $19.28, Mar 6 - Mar 9 $18.66, Mar 6 - Mar 8 $22.67, Feb 18 - Apr 11 $19.28, Mar 6 - Mar 9 $18.65, Mar 9 1:38 am $22.67, Feb 18 - Apr 11 $19.28, Mar 11 8:31 am $19.28, Mar 11 - Mar 12 $22.67, Feb 18 - Apr 11 $19.27, Mar 13 - Mar 15 $18.99, Mar 13 4:26 pm $22.67, Feb 18 - Apr 11 $19.27, Mar 13 - Mar 15 $18.77, Mar 15 11:14 am $22.67, Feb 18 - Apr 11 $19.25, Mar 17 12:44 am $18.75, Mar 17 12:44 am $22.67, Feb 18 - Apr 11 $19.20, Mar 18 7:54 am $17.80, Mar 18 - Mar 23 $22.67, Feb 18 - Apr 11 $19.13, Mar 20 - Mar 23 $17.80, Mar 18 - Mar 23 $22.67, Feb 18 - Apr 11 $19.01, Mar 24 - Apr 5 $17.68, Mar 24 - Mar 26 $22.67, Feb 18 - Apr 11 $19.01, Mar 24 - Apr 5 $17.57, Mar 27 5:57 pm $22.67, Feb 18 - Apr 11 $19.01, Mar 24 - Apr 5 $17.68, Mar 28 - Apr 1 $22.67, Feb 18 - Apr 11 $19.01, Mar 24 - Apr 5 $18.75, Apr 2 - Apr 5 $22.67, Feb 18 - Apr 11 $18.60, Apr 6 - Apr 20 $17.77, Apr 6 - Apr 8 $22.67, Feb 18 - Apr 11 $18.60, Apr 6 - Apr 20 $18.57, Apr 9 4:55 pm $22.67, Feb 18 - Apr 11 $18.60, Apr 6 - Apr 20 $18.44, Apr 11 6:40 am $22.88, Apr 12 4:11 pm $18.60, Apr 6 - Apr 20 $18.42, Apr 12 4:11 pm $22.67, Apr 14 - Apr 18 $18.60, Apr 6 - Apr 20 $18.39, Apr 15 12:27 pm $22.67, Apr 14 - Apr 18 $18.60, Apr 6 - Apr 20 $18.38, Apr 16 8:57 pm $22.67, Apr 14 - Apr 18 $18.60, Apr 6 - Apr 20 $18.37, Apr 18 4:13 am $22.88, Apr 19 - Apr 20 $18.60, Apr 6 - Apr 20 $18.45, Apr 20 - Apr 25 $22.67, Apr 22 - Apr 23 $18.45, Apr 20 - Apr 25 $18.45, Apr 22 - Apr 25 $22.88, Apr 25 3:18 am $18.45, Apr 20 - Apr 25 $18.45, Apr 22 - Apr 25 $22.67, Apr 26 - Apr 28 $18.45, Apr 26 - Apr 28 $18.45, Apr 26 - Apr 28 $22.88, Apr 29 - May 11 $18.60, Apr 29 - May 8 $18.43, Apr 29 6:36 pm $22.88, Apr 29 - May 11 $18.60, Apr 29 - May 8 $17.94, May 1 4:34 am $22.88, Apr 29 - May 11 $18.60, Apr 29 - May 8 $17.92, May 2 1:54 pm $22.88, Apr 29 - May 11 $18.60, Apr 29 - May 8 $17.95, May 3 - May 14 $22.88, Apr 29 - May 11 $19.03, May 9 5:26 pm $17.95, May 3 - May 14 $22.88, Apr 29 - May 11 $18.59, May 11 1:27 pm $17.95, May 3 - May 14 $22.67, May 13 - Jun 27 $17.95, May 3 - May 14 $17.00, May 13 4:43 am $22.67, May 13 - Jun 27 $18.59, May 14 - May 16 $17.93, May 16 4:26 pm $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $17.94, May 18 7:42 pm $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $17.92, May 21 1:02 am $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $17.90, May 23 4:20 am $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $17.74, May 25 5:55 am $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $16.61, May 27 11:01 am $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $16.46, May 29 6:02 pm $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $17.66, Jun 1 2:28 am $22.67, May 13 - Jun 27 $18.47, May 18 - Jun 3 $16.66, Jun 3 - Jun 10 $22.67, May 13 - Jun 27 $18.46, Jun 5 7:42 pm $16.66, Jun 3 - Jun 10 $22.67, May 13 - Jun 27 $18.43, Jun 8 - Jun 16 $16.66, Jun 3 - Jun 10 $22.67, May 13 - Jun 27 $18.43, Jun 8 - Jun 16 $16.00, Jun 12 - Jun 14 $22.67, May 13 - Jun 27 $18.43, Jun 8 - Jun 16 $15.98, Jun 16 - Jun 20 $22.67, May 13 - Jun 27 $18.42, Jun 18 2:09 am $15.98, Jun 16 - Jun 20 $22.67, May 13 - Jun 27 $18.36, Jun 20 - Jun 29 $15.98, Jun 16 - Jun 20 $22.67, May 13 - Jun 27 $18.36, Jun 20 - Jun 29 $15.00, Jun 21 - Jun 25 $22.67, May 13 - Jun 27 $18.36, Jun 20 - Jun 29 $15.98, Jun 27 - Jul 6 $21.87, Jun 29 - Jul 6 $18.36, Jun 20 - Jun 29 $15.98, Jun 27 - Jul 6 $21.87, Jun 29 - Jul 6 $17.87, Jul 1 - Jul 8 $15.98, Jun 27 - Jul 6 $19.05, Jul 8 - Jul 19 $17.87, Jul 1 - Jul 8 $15.26, Jul 8 1:13 pm $19.05, Jul 8 - Jul 19 $17.86, Jul 11 - Jul 19 $15.98, Jul 11 - Jul 19 $18.90, Jul 21 - Jul 27 $17.87, Jul 21 11:45 am $15.97, Jul 21 11:45 am $18.90, Jul 21 - Jul 27 $17.86, Jul 23 - Jul 25 $15.98, Jul 23 - Aug 3 $18.90, Jul 21 - Jul 27 $16.99, Jul 27 - Aug 1 $15.98, Jul 23 - Aug 3 $18.15, Jul 29 - Aug 1 $16.99, Jul 27 - Aug 1 $15.98, Jul 23 - Aug 3 $17.61, Aug 3 - Aug 15 $17.00, Aug 3 - Sep 5 $15.98, Jul 23 - Aug 3 $17.61, Aug 3 - Aug 15 $17.00, Aug 3 - Sep 5 $14.01, Aug 5 10:41 am $17.61, Aug 3 - Aug 15 $17.00, Aug 3 - Sep 5 $15.98, Aug 7 - Aug 9 $17.61, Aug 3 - Aug 15 $17.00, Aug 3 - Sep 5 $14.03, Aug 11 5:56 am $17.61, Aug 3 - Aug 15 $17.00, Aug 3 - Sep 5 $14.05, Aug 13 5:48 am $17.61, Aug 3 - Aug 15 $17.00, Aug 3 - Sep 5 $14.08, Aug 15 5:25 am $18.30, Aug 17 - Aug 20 $17.00, Aug 3 - Sep 5 $16.50, Aug 17 4:39 am $18.30, Aug 17 - Aug 20 $17.00, Aug 3 - Sep 5 $10.60, Aug 19 1:52 am $18.30, Aug 17 - Aug 20 $17.00, Aug 3 - Sep 5 $14.11, Aug 20 11:54 pm $19.88, Aug 22 - Sep 3 $17.00, Aug 3 - Sep 5 $15.49, Aug 22 - Sep 3 $22.67, Sep 5 - Sep 9 $17.00, Aug 3 - Sep 5 $16.50, Sep 5 - Sep 7 $22.67, Sep 5 - Sep 9 $17.87, Sep 7 1:54 am $16.50, Sep 5 - Sep 7 $22.67, Sep 5 - Sep 9 $18.43, Sep 9 - Sep 13 $16.47, Sep 9 1:41 am $19.88, Sep 11 - Sep 16 $18.43, Sep 9 - Sep 13 $15.29, Sep 11 - Sep 13 $19.88, Sep 11 - Sep 16 $17.00, Sep 14 - Sep 20 $14.77, Sep 14 11:53 pm $19.88, Sep 11 - Sep 16 $17.00, Sep 14 - Sep 20 $16.50, Sep 16 11:01 pm $22.67, Sep 18 - Sep 22 $17.00, Sep 18 - Sep 20 $17.00, Sep 14 - Sep 20 $22.67, Sep 18 - Sep 22 $18.45, Sep 22 9:23 pm $18.43, Sep 22 9:23 pm $20.27, Sep 24 - Sep 28 $18.40, Sep 24 - Sep 28 $14.77, Sep 24 - Sep 26 $20.27, Sep 24 - Sep 28 $18.40, Sep 28 9:04 pm $18.40, Sep 24 - Sep 28 $22.67, Sep 30 - Nov 23 $18.42, Sep 30 - Oct 5 $14.77, Sep 30 9:45 pm $22.67, Sep 30 - Nov 23 $18.42, Sep 30 - Oct 5 $16.95, Oct 2 11:25 pm $22.67, Sep 30 - Nov 23 $18.44, Oct 5 1:13 am $18.42, Sep 30 - Oct 5 $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.97, Oct 7 3:23 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.54, Oct 9 6:06 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.39, Oct 11 8:34 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.20, Oct 13 9:16 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.53, Oct 15 - Oct 17 $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.54, Oct 19 - Oct 27 $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.53, Oct 29 - Oct 31 $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.52, Nov 2 4:54 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $15.69, Nov 4 6:35 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $15.03, Nov 6 8:50 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $14.29, Nov 8 10:58 am $22.67, Sep 30 - Nov 23 $18.67, Oct 7 - Nov 10 $17.53, Nov 10 12:54 pm $22.67, Sep 30 - Nov 23 $18.66, Nov 12 - Nov 19 $15.28, Nov 12 - Nov 14 $22.67, Sep 30 - Nov 23 $18.66, Nov 12 - Nov 19 $17.53, Nov 16 - Nov 19 $22.67, Sep 30 - Nov 23 $18.65, Nov 21 7:48 am $17.48, Nov 21 7:48 am $22.67, Sep 30 - Nov 23 $18.64, Nov 23 - Nov 25 $17.42, Nov 23 1:26 pm $23.12, Nov 25 - Dec 1 $18.64, Nov 23 - Nov 25 $17.22, Nov 25 7:44 pm $23.12, Nov 25 - Dec 1 $18.63, Nov 28 - Dec 4 $17.24, Nov 28 - Dec 5 $23.58, Dec 3 - Dec 8 $18.63, Nov 28 - Dec 4 $17.24, Nov 28 - Dec 5 $23.58, Dec 3 - Dec 8 $19.10, Dec 6 8:42 pm $17.25, Dec 6 8:42 pm $23.58, Dec 3 - Dec 8 $19.07, Dec 8 2:32 am $9.99, Dec 8 2:32 am $24.05, Dec 9 - Dec 15 $19.03, Dec 10 5:41 pm $17.41, Dec 10 5:41 pm $24.05, Dec 9 - Dec 15 $19.01, Dec 12 12:15 am $17.39, Dec 12 12:15 am $24.05, Dec 9 - Dec 15 $18.99, Dec 13 8:14 am $17.38, Dec 13 8:14 am $24.05, Dec 9 - Dec 15 $19.40, Dec 14 - Dec 20 $17.36, Dec 15 9:13 pm $25.61, Dec 17 - Dec 20 $19.40, Dec 14 - Dec 20 $17.34, Dec 17 4:02 am $25.61, Dec 17 - Dec 20 $19.40, Dec 14 - Dec 20 $17.42, Dec 18 - Dec 27 $25.64, Dec 23 10:03 am $19.34, Dec 23 10:03 am $17.42, Dec 18 - Dec 27 $26.12, Dec 24 - Jan 1 $19.30, Dec 24 2:34 pm $17.42, Dec 18 - Dec 27 $26.12, Dec 24 - Jan 1 $19.28, Dec 25 11:59 pm $17.42, Dec 18 - Dec 27 $26.12, Dec 24 - Jan 1 $19.22, Dec 28 3:47 pm $15.00, Dec 28 - Dec 29 $26.12, Dec 24 - Jan 1 $19.20, Dec 29 - Jan 3 $15.00, Dec 28 - Dec 29 $26.12, Dec 24 - Jan 1 $19.20, Dec 29 - Jan 3 $14.99, Dec 31 - Jan 3 $26.64, Jan 2 - Jan 7 $19.20, Dec 29 - Jan 3 $14.99, Dec 31 - Jan 3 $26.64, Jan 2 - Jan 7 $19.19, Jan 4 - Jan 7 $9.99, Jan 4 - Jan 14 $27.17, Jan 8 - Jan 14 $19.16, Jan 10 - Jan 14 $9.99, Jan 4 - Jan 14 $27.68, Jan 17 5:12 am $19.14, Jan 17 - Jan 19 $13.95, Jan 17 5:12 am $26.12, Jan 19 5:57 pm $19.14, Jan 17 - Jan 19 $15.50, Jan 19 - Jan 21 $27.17, Jan 21 1:59 am $19.10, Jan 21 - Jan 26 $15.50, Jan 19 - Jan 21 $27.68, Jan 22 - Mar 6 $19.10, Jan 21 - Jan 26 $15.47, Jan 23 3:47 pm $27.68, Jan 22 - Mar 6 $19.10, Jan 21 - Jan 26 $15.46, Jan 24 10:36 pm $27.68, Jan 22 - Mar 6 $19.10, Jan 21 - Jan 26 $15.41, Jan 26 5:44 am $27.68, Jan 22 - Mar 6 $19.06, Jan 28 7:53 pm $15.32, Jan 28 7:53 pm $27.68, Jan 22 - Mar 6 $19.00, Jan 30 - Feb 1 $14.95, Jan 30 2:48 am $27.68, Jan 22 - Mar 6 $19.00, Jan 30 - Feb 1 $14.89, Feb 1 3:09 pm $27.68, Jan 22 - Mar 6 $18.98, Feb 2 10:08 pm $14.83, Feb 2 10:08 pm $27.68, Jan 22 - Mar 6 $18.96, Feb 4 - Feb 6 $14.80, Feb 4 5:38 am $27.68, Jan 22 - Mar 6 $18.96, Feb 4 - Feb 6 $15.44, Feb 6 - Feb 14 $27.68, Jan 22 - Mar 6 $19.49, Feb 10 - Feb 12 $15.44, Feb 6 - Feb 14 $27.68, Jan 22 - Mar 6 $19.47, Feb 13 10:05 am $15.44, Feb 6 - Feb 14 $27.68, Jan 22 - Mar 6 $19.47, Feb 16 - Feb 19 $18.40, Feb 16 4:38 am $27.68, Jan 22 - Mar 6 $22.31, Feb 17 2:35 pm $19.47, Feb 16 - Feb 19 $27.68, Jan 22 - Mar 6 $19.47, Feb 16 - Feb 19 $18.46, Feb 19 12:16 am $27.68, Jan 22 - Mar 6 $19.45, Feb 20 9:43 am $18.44, Feb 20 9:43 am $27.68, Jan 22 - Mar 6 $19.42, Feb 23 5:25 am $18.39, Feb 23 5:25 am $27.68, Jan 22 - Mar 6 $19.35, Feb 26 12:28 am $15.49, Feb 26 12:28 am $27.68, Jan 22 - Mar 6 $19.27, Feb 28 5:10 pm $15.50, Feb 28 - Mar 13 $27.68, Jan 22 - Mar 6 $19.21, Mar 1 11:03 am $15.50, Feb 28 - Mar 13 $27.68, Jan 22 - Mar 6 $19.09, Mar 6 2:57 pm $15.50, Feb 28 - Mar 13 $25.93, Mar 9 - Mar 22 $19.06, Mar 9 3:54 pm $15.50, Feb 28 - Mar 13 $25.93, Mar 9 - Mar 22 $18.99, Mar 13 1:36 am $15.50, Feb 28 - Mar 13 $25.93, Mar 9 - Mar 22 $18.94, Mar 16 4:35 am $15.35, Mar 16 4:35 am $25.93, Mar 9 - Mar 22 $18.86, Mar 22 4:24 am $16.98, Mar 22 4:24 am $22.95, Mar 25 - Mar 31 $22.46, Mar 25 7:26 am $18.82, Mar 25 7:26 am $22.95, Mar 25 - Mar 31 $22.31, Mar 31 - Apr 6 $18.62, Mar 31 - Apr 3 $23.41, Apr 3 3:44 am $22.31, Mar 31 - Apr 6 $18.62, Mar 31 - Apr 3 $23.87, Apr 6 - Apr 12 $22.31, Mar 31 - Apr 6 $19.37, Apr 6 4:21 am $23.87, Apr 6 - Apr 12 $19.33, Apr 9 4:11 am $14.74, Apr 9 - Apr 12 $23.87, Apr 6 - Apr 12 $19.27, Apr 12 4:03 am $14.74, Apr 9 - Apr 12 $24.34, Apr 15 - Apr 21 $22.31, Apr 15 - Apr 18 $19.23, Apr 15 4:41 am $24.34, Apr 15 - Apr 21 $22.31, Apr 15 - Apr 18 $19.19, Apr 18 6:07 am $24.34, Apr 15 - Apr 21 $22.46, Apr 21 8:10 am $19.42, Apr 21 8:10 am
3,527 786,423
1,171,875
390,625
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Price Details
New
Latest
$24.34 1 day ago
Highest
$27.68 Jan 22, '16
Lowest
$17.61 Aug 3, '15
Average
$23.62 (30d avg) $26.16 (90d avg) $25.29 (180d avg) $23.22 (365d avg) $23.64 (Lifetime average)
Added
May 28, 2014
3rd Party New
Latest
$19.42 1 day ago
Highest
$26.95 Jan 19, '15
Lowest
$16.99 Jul 27, '15
Average
$19.03 (30d avg) $19.12 (90d avg) $19.04 (180d avg) $18.51 (365d avg) $18.89 (Lifetime average)
Added
May 28, 2014
3rd Party Used
Latest
$22.46 1 day ago
Highest
$32.32 Jan 19, '15
Lowest
$9.99 Jan 4, '16
Average
$20.66 (30d avg) $17.40 (90d avg) $16.53 (180d avg) $16.48 (365d avg) $17.55 (Lifetime average)
Added
May 28, 2014
Sales Rank
30 day average: 91,819 90 day average: 160,104
Product Description
Cosmology is in crisis. The more we discover, the more puzzling the universe appears to be. How and why are the laws of nature what they are? A philosopher and a physicist, world-renowned for their radical ideas in their fields, argue for a revolution. To keep cosmology scientific, we must replace the old view in which the universe is governed by immutable laws by a new one in which laws evolve. Then we can hope to explain them. The revolution that Roberto Mangabeira Unger and Lee Smolin propose relies on three central ideas. There is only one universe at a time. Time is real: everything in the structure and regularities of nature changes sooner or later. Mathematics, which has trouble with time, is not the oracle of nature and the prophet of science; it is simply a tool with great power and immense limitations. The argument is readily accessible to non-scientists as well as to the physicists and cosmologists whom it challenges.
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