Podcasts
Published: Dec. 13, 2016, 11 a.m.
Duration: 11 minutes 59 seconds
Listed in: Education
Published: Nov. 19, 2016, 11 a.m.
Duration: 1 hour 18 minutes 48 seconds
Listed in: Education
Published: Oct. 6, 2016, 11 a.m.
Duration: 1 hour 29 minutes 33 seconds
Listed in: Education
Published: Sept. 27, 2016, 11 a.m.
Duration: 1 hour 16 minutes 46 seconds
Listed in: Education
Published: Sept. 19, 2016, noon
Duration: 1 hour 6 minutes 2 seconds
Listed in: Education
Published: Sept. 11, 2016, noon
Duration: 53 minutes 50 seconds
Listed in: Education
Published: Sept. 5, 2016, noon
Duration: 39 minutes 4 seconds
Listed in: Education
Published: Aug. 30, 2016, noon
Duration: 11 minutes 7 seconds
Listed in: Education
Published: Aug. 23, 2016, noon
Duration: 1 hour 28 minutes 36 seconds
Listed in: Education
Published: Aug. 3, 2016, noon
Duration: 51 minutes 40 seconds
Listed in: Education
Published: Aug. 1, 2016, noon
Duration: 58 minutes 33 seconds
Listed in: Education
Published: July 31, 2016, noon
Duration: 53 minutes 56 seconds
Listed in: Education
Published: July 27, 2016, noon
Duration: 49 minutes 26 seconds
Listed in: Education
Published: July 25, 2016, noon
Duration: 1 hour 10 minutes 55 seconds
Listed in: Education
Published: July 16, 2016, noon
Duration: 1 hour 22 minutes 32 seconds
Listed in: Education
Published: July 13, 2016, noon
Duration: 1 hour 5 minutes 23 seconds
Listed in: Education
Published: July 6, 2016, noon
Duration: 2 days 9 hours 56 minutes
Listed in: Education
Published: June 2, 2016, noon
Duration: N/A
Listed in: Education
Published: May 25, 2016, noon
Duration: 52 minutes 20 seconds
Listed in: Education
Published: May 11, 2016, noon
Duration: 59 minutes 6 seconds
Listed in: Education
Published: May 3, 2016, noon
Duration: N/A
Listed in: Education
Published: May 2, 2016, noon
Duration: 51 minutes 9 seconds
Listed in: Education
Published: April 20, 2016, noon
Duration: 42 minutes 25 seconds
Listed in: Education
Published: April 18, 2016, noon
Duration: 58 minutes 43 seconds
Listed in: Education
Published: April 13, 2016, noon
Duration: 49 minutes 26 seconds
Listed in: Education
Published: April 11, 2016, noon
Duration: 1 hour 28 seconds
Listed in: Education
Published: March 20, 2016, 11 a.m.
Duration: 55 minutes 14 seconds
Listed in: Education
Published: March 9, 2016, 4:30 a.m.
Duration: 1 hour 21 seconds
Listed in: Education
Published: Feb. 10, 2016, 11 a.m.
Duration: 40 minutes 16 seconds
Listed in: Education
Published: Feb. 3, 2016, 11 a.m.
Duration: 1 hour 1 minute 29 seconds
Listed in: Education
Published: Feb. 1, 2016, 11 a.m.
Duration: 1 hour 25 minutes 50 seconds
Listed in: Education
Published: Nov. 2, 2015, 11 a.m.
Duration: 1 hour 3 minutes 23 seconds
Listed in: Education
Published: Sept. 30, 2015, 11 a.m.
Duration: 1 hour 9 minutes 45 seconds
Listed in: Education
Published: Sept. 27, 2015, 11 a.m.
Duration: 59 minutes 17 seconds
Listed in: Education
Published: Sept. 21, 2015, noon
Duration: 1 hour 18 minutes
Listed in: Education
Published: Sept. 20, 2015, noon
Duration: 1 hour 4 minutes 16 seconds
Listed in: Education
Published: Sept. 8, 2015, noon
Duration: 1 hour 20 minutes 39 seconds
Listed in: Education
Published: Sept. 7, 2015, noon
Duration: 57 minutes
Listed in: Education
Published: Aug. 18, 2015, noon
Duration: 1 hour 1 minute 10 seconds
Listed in: Education
Published: Aug. 11, 2015, noon
Duration: 43 minutes 9 seconds
Listed in: Education
Published: Aug. 5, 2015, noon
Duration: 1 hour 22 minutes 59 seconds
Listed in: Education
Published: July 29, 2015, noon
Duration: 47 minutes 54 seconds
Listed in: Education
Published: July 27, 2015, noon
Duration: 48 minutes 40 seconds
Listed in: Education
Published: July 20, 2015, noon
Duration: 1 hour 18 minutes 59 seconds
Listed in: Education
Published: July 14, 2015, noon
Duration: 1 hour 12 minutes 6 seconds
Listed in: Education
Published: July 11, 2015, noon
Duration: 1 hour 16 minutes
Listed in: Education
Published: May 27, 2015, noon
Duration: 48 minutes 52 seconds
Listed in: Education
Published: May 19, 2015, noon
Duration: 58 minutes 48 seconds
Listed in: Education
Published: May 12, 2015, noon
Duration: 59 minutes 47 seconds
Listed in: Education
Published: April 20, 2015, noon
Duration: 57 minutes 49 seconds
Listed in: Education
Published: April 15, 2015, noon
Duration: 57 minutes 1 second
Listed in: Education
Published: April 14, 2015, noon
Duration: 31 minutes 36 seconds
Listed in: Education
Published: March 16, 2015, 11 a.m.
Duration: 44 minutes 59 seconds
Listed in: Education
Published: March 15, 2015, 11 a.m.
Duration: 46 minutes 29 seconds
Listed in: Education
Published: Dec. 7, 2014, 11 a.m.
Duration: 1 hour 4 minutes 57 seconds
Listed in: Education
Published: Nov. 9, 2014, 11 a.m.
Duration: 59 minutes 40 seconds
Listed in: Education
Published: Nov. 9, 2014, 11 a.m.
Duration: 33 minutes 42 seconds
Listed in: Education
Published: Oct. 22, 2014, 11 a.m.
Duration: 49 minutes 52 seconds
Listed in: Education
Published: Oct. 19, 2014, 11 a.m.
Duration: 1 hour 15 minutes 26 seconds
Listed in: Education
Published: Oct. 16, 2014, 11 a.m.
Duration: 1 hour 4 minutes
Listed in: Education
Published: Oct. 9, 2014, 11 a.m.
Duration: 1 hour 8 minutes 6 seconds
Listed in: Education
Published: Oct. 9, 2014, 11 a.m.
Duration: 56 minutes 32 seconds
Listed in: Education
Published: Oct. 1, 2014, 11 a.m.
Duration: 1 hour 14 minutes 48 seconds
Listed in: Education
Published: Sept. 21, 2014, noon
Duration: 40 minutes 29 seconds
Listed in: Education
Published: Sept. 17, 2014, noon
Duration: 1 hour 18 minutes 10 seconds
Listed in: Education
Published: Sept. 14, 2014, noon
Duration: 54 minutes 2 seconds
Listed in: Education
Published: Sept. 7, 2014, noon
Duration: 1 hour 18 minutes 14 seconds
Listed in: Education
Published: Sept. 3, 2014, noon
Duration: 43 minutes
Listed in: Education
Published: Sept. 1, 2014, noon
Duration: 1 hour 42 seconds
Listed in: Education
Published: Aug. 25, 2014, noon
Duration: 32 minutes 21 seconds
Listed in: Education
Published: Aug. 24, 2014, noon
Duration: 44 minutes 15 seconds
Listed in: Education
Published: Aug. 12, 2014, noon
Duration: 53 minutes 21 seconds
Listed in: Education
Published: Aug. 11, 2014, noon
Duration: 44 minutes 25 seconds
Listed in: Education
Published: Aug. 4, 2014, noon
Duration: 52 minutes 40 seconds
Listed in: Education
Published: Aug. 4, 2014, noon
Duration: 38 minutes 13 seconds
Listed in: Education
Published: July 29, 2014, noon
Duration: 46 minutes 27 seconds
Listed in: Education
Published: July 23, 2014, noon
Duration: 39 minutes 26 seconds
Listed in: Education
Published: July 22, 2014, noon
Duration: 1 hour 18 minutes 55 seconds
Listed in: Education
Published: July 12, 2014, noon
Duration: 55 minutes 21 seconds
Listed in: Education
Published: July 9, 2014, noon
Duration: 45 minutes 3 seconds
Listed in: Education
Published: July 8, 2014, noon
Duration: 1 hour 3 minutes 52 seconds
Listed in: Education
Published: July 7, 2014, noon
Duration: 46 minutes 50 seconds
Listed in: Education
Published: July 6, 2014, noon
Duration: 45 minutes 8 seconds
Listed in: Education
Published: June 25, 2014, noon
Duration: 56 minutes 37 seconds
Listed in: Education
Published: June 17, 2014, noon
Duration: 1 hour 18 minutes 5 seconds
Listed in: Education
Published: June 17, 2014, noon
Duration: 1 hour 13 minutes 8 seconds
Listed in: Education
Published: June 17, 2014, noon
Duration: 59 minutes 54 seconds
Listed in: Education
Published: June 11, 2014, noon
Duration: 49 minutes 52 seconds
Listed in: Education
Published: May 29, 2014, noon
Duration: 47 minutes 19 seconds
Listed in: Education
Published: May 29, 2014, noon
Duration: 34 minutes 38 seconds
Listed in: Education
Published: May 19, 2014, noon
Duration: 1 hour 5 minutes 23 seconds
Listed in: Education
Published: May 14, 2014, noon
Duration: 54 minutes 21 seconds
Listed in: Education
Published: May 12, 2014, noon
Duration: 38 minutes 51 seconds
Listed in: Education
Published: May 12, 2014, noon
Duration: 39 minutes 21 seconds
Listed in: Education
Published: May 7, 2014, noon
Duration: 51 minutes 12 seconds
Listed in: Education
Published: April 9, 2014, noon
Duration: 40 minutes 16 seconds
Listed in: Education
Published: March 24, 2014, 11 a.m.
Duration: 34 minutes 22 seconds
Listed in: Education
Published: March 24, 2014, 11 a.m.
Duration: 1 hour 16 minutes 28 seconds
Listed in: Education
Published: March 23, 2014, 11 a.m.
Duration: 10 minutes 24 seconds
Listed in: Education
Published: March 10, 2014, 11 a.m.
Duration: 1 hour 20 minutes 30 seconds
Listed in: Education
Published: Jan. 14, 2014, 11 a.m.
Duration: 3 minutes 14 seconds
Listed in: Education
Published: Jan. 14, 2014, 11 a.m.
Duration: 3 minutes 35 seconds
Listed in: Education
Published: Jan. 9, 2014, 11 a.m.
Duration: 49 minutes 59 seconds
Listed in: Education
Published: Jan. 9, 2014, 11 a.m.
Duration: 1 hour 2 minutes 24 seconds
Listed in: Education
Published: Jan. 9, 2014, 11 a.m.
Duration: 5 minutes 8 seconds
Listed in: Education
Published: Jan. 9, 2014, 11 a.m.
Duration: 5 minutes 31 seconds
Listed in: Education
Published: Dec. 2, 2013, 11 a.m.
Duration: 55 minutes 25 seconds
Listed in: Education
Published: Nov. 27, 2013, 11 a.m.
Duration: 58 minutes 2 seconds
Listed in: Education
Published: Nov. 19, 2013, 11 a.m.
Duration: 55 minutes 15 seconds
Listed in: Education
Published: Nov. 4, 2013, 11 a.m.
Duration: 1 hour 16 minutes 2 seconds
Listed in: Education
Published: Nov. 3, 2013, 11 a.m.
Duration: 1 hour 1 minute 50 seconds
Listed in: Education
Published: Nov. 3, 2013, 11 a.m.
Duration: 50 minutes 59 seconds
Listed in: Education
Published: Nov. 3, 2013, 11 a.m.
Duration: 1 hour 11 minutes 47 seconds
Listed in: Education
Published: Oct. 28, 2013, 11 a.m.
Duration: 45 minutes 55 seconds
Listed in: Education
Published: Oct. 28, 2013, 11 a.m.
Duration: 47 minutes 14 seconds
Listed in: Education
Published: Oct. 21, 2013, 11 a.m.
Duration: 59 minutes 18 seconds
Listed in: Education
Published: Sept. 17, 2013, noon
Duration: 46 minutes 42 seconds
Listed in: Education
Published: Sept. 17, 2013, noon
Duration: 44 minutes 57 seconds
Listed in: Education
Published: Sept. 16, 2013, noon
Duration: 58 minutes 52 seconds
Listed in: Education
Published: Sept. 16, 2013, noon
Duration: 38 minutes 22 seconds
Listed in: Education
Published: Sept. 10, 2013, noon
Duration: 47 minutes 16 seconds
Listed in: Education
Published: Sept. 8, 2013, noon
Duration: 1 hour 15 minutes 37 seconds
Listed in: Education
Published: Sept. 8, 2013, noon
Duration: 1 hour 7 minutes 18 seconds
Listed in: Education
Published: Sept. 8, 2013, noon
Duration: 1 hour 6 minutes 4 seconds
Listed in: Education
Published: Sept. 8, 2013, noon
Duration: 1 hour 2 minutes 59 seconds
Listed in: Education
Published: Sept. 8, 2013, noon
Duration: 1 hour 8 minutes 4 seconds
Listed in: Education
Published: Sept. 4, 2013, noon
Duration: 46 minutes 49 seconds
Listed in: Education
Published: Sept. 4, 2013, noon
Duration: 1 hour 42 seconds
Listed in: Education
Published: Sept. 3, 2013, noon
Duration: 27 minutes 48 seconds
Listed in: Education
Published: Sept. 3, 2013, noon
Duration: 59 minutes 4 seconds
Listed in: Education
Published: Sept. 3, 2013, noon
Duration: 1 hour 24 minutes 14 seconds
Listed in: Education
Published: Sept. 3, 2013, noon
Duration: 27 minutes 48 seconds
Listed in: Education
Published: Aug. 27, 2013, noon
Duration: 1 hour 29 minutes 57 seconds
Listed in: Education
Published: Aug. 27, 2013, noon
Duration: 36 minutes 25 seconds
Listed in: Education
Published: Aug. 27, 2013, noon
Duration: 1 hour 42 minutes 57 seconds
Listed in: Education
Published: Aug. 27, 2013, noon
Duration: 1 hour 4 minutes 32 seconds
Listed in: Education
Published: Aug. 26, 2013, noon
Duration: 1 hour 14 minutes 10 seconds
Listed in: Education
Published: Aug. 21, 2013, noon
Duration: 1 hour 27 minutes 32 seconds
Listed in: Education
Published: Aug. 21, 2013, noon
Duration: 1 hour 14 minutes 10 seconds
Listed in: Education
Published: Aug. 21, 2013, noon
Duration: 1 hour 23 minutes 43 seconds
Listed in: Education
Published: Aug. 18, 2013, noon
Duration: 59 minutes 18 seconds
Listed in: Education
Published: Aug. 1, 2013, noon
Duration: 52 minutes 59 seconds
Listed in: Education
Published: July 8, 2013, noon
Duration: 1 hour 4 minutes 37 seconds
Listed in: Education
Published: July 7, 2013, noon
Duration: 49 minutes 4 seconds
Listed in: Education
Published: July 7, 2013, noon
Duration: 1 hour 17 minutes 42 seconds
Listed in: Education
Published: June 19, 2013, noon
Duration: 1 hour 15 minutes 53 seconds
Listed in: Education
Published: May 12, 2013, noon
Duration: 1 hour 14 minutes 26 seconds
Listed in: Education
Published: May 5, 2013, noon
Duration: 56 minutes 19 seconds
Listed in: Education
Published: May 1, 2013, noon
Duration: 51 minutes 25 seconds
Listed in: Education
Published: April 30, 2013, noon
Duration: 58 minutes 51 seconds
Listed in: Education
Published: April 28, 2013, noon
Duration: 1 hour 3 minutes 59 seconds
Listed in: Education
Published: April 23, 2013, noon
Duration: 46 minutes 10 seconds
Listed in: Education
Published: April 16, 2013, noon
Duration: 47 minutes 39 seconds
Listed in: Education
Published: April 16, 2013, noon
Duration: 33 minutes 33 seconds
Listed in: Education
Published: April 11, 2013, noon
Duration: 51 minutes 57 seconds
Listed in: Education
Published: April 8, 2013, noon
Duration: 49 minutes 52 seconds
Listed in: Education
Published: March 25, 2013, 11 a.m.
Duration: 1 hour 2 minutes 13 seconds
Listed in: Education
Published: March 18, 2013, 11 a.m.
Duration: 49 minutes 11 seconds
Listed in: Education
Published: Feb. 25, 2013, 11 a.m.
Duration: 1 hour 15 minutes 19 seconds
Listed in: Education
Published: Feb. 12, 2013, 11 a.m.
Duration: 10 minutes 41 seconds
Listed in: Education
Published: Feb. 12, 2013, 11 a.m.
Duration: 7 minutes 28 seconds
Listed in: Education
Published: Feb. 12, 2013, 11 a.m.
Duration: 18 minutes 13 seconds
Listed in: Education
Published: Jan. 28, 2013, 11 a.m.
Duration: 48 minutes 56 seconds
Listed in: Education
Published: Jan. 15, 2013, 11 a.m.
Duration: 59 minutes 18 seconds
Listed in: Education
Published: Oct. 23, 2012, 11 a.m.
Duration: 47 minutes 18 seconds
Listed in: Education
Published: Oct. 22, 2012, 11 a.m.
Duration: 38 minutes 33 seconds
Listed in: Education
Published: Oct. 5, 2012, 11 a.m.
Duration: 42 minutes 23 seconds
Listed in: Education
Published: Oct. 2, 2012, 11 a.m.
Duration: 1 hour 16 minutes 11 seconds
Listed in: Education
Published: Sept. 27, 2012, noon
Duration: 1 hour 21 minutes 50 seconds
Listed in: Education
Published: Sept. 10, 2012, noon
Duration: 21 minutes 49 seconds
Listed in: Education
Published: Sept. 10, 2012, noon
Duration: 17 minutes 15 seconds
Listed in: Education
Published: Sept. 5, 2012, noon
Duration: 1 hour 2 minutes 35 seconds
Listed in: Education
Published: Aug. 29, 2012, noon
Duration: 53 minutes 39 seconds
Listed in: Education
Published: Aug. 26, 2012, noon
Duration: 51 minutes 36 seconds
Listed in: Education
Published: Aug. 26, 2012, noon
Duration: 49 minutes 38 seconds
Listed in: Education
Published: Aug. 26, 2012, noon
Duration: 54 minutes 10 seconds
Listed in: Education
Published: Aug. 21, 2012, 9:29 p.m.
Duration: 53 minutes 31 seconds
Listed in: Education
Published: Aug. 21, 2012, noon
Duration: 1 hour 15 minutes 52 seconds
Listed in: Education
Published: Aug. 13, 2012, 3:01 a.m.
Duration: 1 hour 14 minutes 48 seconds
Listed in: Education
Published: Aug. 7, 2012, noon
Duration: 47 minutes 35 seconds
Listed in: Education
Published: Aug. 6, 2012, noon
Duration: 1 hour 5 minutes 47 seconds
Listed in: Education
Published: Aug. 2, 2012, noon
Duration: 1 hour 32 minutes 49 seconds
Listed in: Education
Published: July 31, 2012, noon
Duration: 1 hour 1 minute 23 seconds
Listed in: Education
Published: July 31, 2012, noon
Duration: 43 minutes 53 seconds
Listed in: Education
Published: July 30, 2012, noon
Duration: 55 minutes 37 seconds
Listed in: Education
Published: July 25, 2012, noon
Duration: 56 minutes 59 seconds
Listed in: Education
Published: July 24, 2012, noon
Duration: 1 hour 19 minutes 29 seconds
Listed in: Education
Published: July 23, 2012, noon
Duration: 1 hour 1 minute 2 seconds
Listed in: Education
Published: July 23, 2012, noon
Duration: 48 minutes 45 seconds
Listed in: Education
Published: July 22, 2012, noon
Duration: 56 minutes 35 seconds
Listed in: Education
Published: July 19, 2012, noon
Duration: 1 hour 10 minutes 1 second
Listed in: Education
Published: July 19, 2012, noon
Duration: 57 minutes 26 seconds
Listed in: Education
Published: July 19, 2012, noon
Duration: 1 hour 5 minutes 14 seconds
Listed in: Education
Published: July 15, 2012, noon
Duration: 52 minutes 47 seconds
Listed in: Education
Published: July 12, 2012, noon
Duration: 58 minutes 25 seconds
Listed in: Education
Published: July 10, 2012, noon
Duration: 1 hour 17 minutes 47 seconds
Listed in: Education
Published: July 10, 2012, noon
Duration: 1 hour 14 minutes 33 seconds
Listed in: Education
Published: July 5, 2012, noon
Duration: 1 hour 3 minutes 47 seconds
Listed in: Education
Published: July 3, 2012, noon
Duration: 51 minutes 27 seconds
Listed in: Education
Published: July 3, 2012, noon
Duration: 1 hour 1 minute 47 seconds
Listed in: Education
Published: June 28, 2012, noon
Duration: 41 minutes 9 seconds
Listed in: Education
Published: June 28, 2012, noon
Duration: 49 minutes 14 seconds
Listed in: Education
Published: June 26, 2012, 11:20 p.m.
Duration: 39 minutes 43 seconds
Listed in: Education
Published: June 25, 2012, noon
Duration: 1 hour 17 seconds
Listed in: Education
Published: June 24, 2012, noon
Duration: 1 hour 16 minutes 3 seconds
Listed in: Education
Published: June 23, 2012, noon
Duration: 55 minutes 54 seconds
Listed in: Education
Published: June 22, 2012, noon
Duration: 1 hour 3 minutes 7 seconds
Listed in: Education
Published: June 22, 2012, noon
Duration: 57 minutes 17 seconds
Listed in: Education
Published: June 22, 2012, noon
Duration: 58 minutes 20 seconds
Listed in: Education
Published: June 22, 2012, noon
Duration: 57 minutes 16 seconds
Listed in: Education
Published: May 14, 2012, noon
Duration: 1 hour 24 minutes 4 seconds
Listed in: Education
Published: May 14, 2012, noon
Duration: 48 minutes 17 seconds
Listed in: Education
Published: May 10, 2012, 2:57 a.m.
Duration: 53 minutes 16 seconds
Listed in: Education
Published: May 6, 2012, noon
Duration: 1 hour 15 minutes 4 seconds
Listed in: Education
Published: April 25, 2012, noon
Duration: 1 hour 14 minutes 7 seconds
Listed in: Education
Published: April 23, 2012, 10:59 p.m.
Duration: 49 minutes 53 seconds
Listed in: Education
Published: April 4, 2012, noon
Duration: 1 hour 22 minutes 28 seconds
Listed in: Education
Published: March 21, 2012, 9:32 p.m.
Duration: 56 minutes 13 seconds
Listed in: Education
Published: March 21, 2012, 11 a.m.
Duration: 1 hour 51 minutes 1 second
Listed in: Education
Published: Jan. 11, 2012, 11 a.m.
Duration: 1 hour 15 minutes 28 seconds
Listed in: Education
Published: Nov. 29, 2011, 11 a.m.
Duration: 46 minutes 49 seconds
Listed in: Education
Published: Nov. 16, 2011, 2:01 a.m.
Duration: 1 hour 6 minutes 33 seconds
Listed in: Education
Published: Nov. 6, 2011, 10:20 p.m.
Duration: 49 minutes 55 seconds
Listed in: Education
Published: Nov. 6, 2011, 11 a.m.
Duration: 1 hour 13 minutes 59 seconds
Listed in: Education
Published: Oct. 25, 2011, 11 a.m.
Duration: 54 minutes 59 seconds
Listed in: Education
Published: Oct. 19, 2011, 2:19 a.m.
Duration: 55 minutes 53 seconds
Listed in: Education
Published: Oct. 18, 2011, 11 a.m.
Duration: 54 minutes 9 seconds
Listed in: Education
Published: Oct. 11, 2011, 11 a.m.
Duration: 54 minutes 15 seconds
Listed in: Education
Published: Oct. 4, 2011, 11 a.m.
Duration: 53 minutes 51 seconds
Listed in: Education
Published: Sept. 30, 2011, 3:16 a.m.
Duration: 1 hour 5 minutes 2 seconds
Listed in: Education
Published: Sept. 11, 2011, noon
Duration: 52 minutes 38 seconds
Listed in: Education
Published: Sept. 7, 2011, 10:32 p.m.
Duration: 1 hour 1 minute 22 seconds
Listed in: Education
Published: July 15, 2011, 2:57 a.m.
Duration: 32 minutes 14 seconds
Listed in: Education
Published: June 30, 2011, 3:19 a.m.
Duration: 1 hour 45 minutes 17 seconds
Listed in: Education
Published: June 15, 2011, 10:34 p.m.
Duration: 59 minutes 20 seconds
Listed in: Education
Published: May 3, 2011, 2:06 a.m.
Duration: 34 minutes 2 seconds
Listed in: Education
Published: May 3, 2011, 2:06 a.m.
Duration: 30 minutes 16 seconds
Listed in: Education
Published: May 3, 2011, 1:57 a.m.
Duration: 27 minutes 53 seconds
Listed in: Education
Published: April 18, 2011, noon
Duration: 47 minutes 29 seconds
Listed in: Education
Published: April 17, 2011, 8:38 p.m.
Duration: 35 minutes 40 seconds
Listed in: Education
Published: April 14, 2011, 8:41 p.m.
Duration: 59 minutes 38 seconds
Listed in: Education
Published: April 4, 2011, 11:34 p.m.
Duration: 26 minutes 25 seconds
Listed in: Education
Published: April 4, 2011, 11:20 p.m.
Duration: 49 minutes 55 seconds
Listed in: Education
Published: March 28, 2011, 8:52 p.m.
Duration: 56 minutes 11 seconds
Listed in: Education
Published: March 7, 2011, 3:02 a.m.
Duration: 1 hour 36 minutes 43 seconds
Listed in: Education
Published: Jan. 31, 2011, 7:41 p.m.
Duration: 51 minutes 40 seconds
Listed in: Education
Published: Jan. 21, 2011, 2:43 a.m.
Duration: 25 minutes 27 seconds
Listed in: Education
Published: Jan. 9, 2011, 9:31 p.m.
Duration: 51 minutes 39 seconds
Listed in: Education
Published: Dec. 1, 2010, 9:27 p.m.
Duration: 49 minutes 47 seconds
Listed in: Education
Published: Nov. 26, 2010, 2:01 a.m.
Duration: 1 hour 6 minutes 33 seconds
Listed in: Education
Published: Nov. 26, 2010, 12:52 a.m.
Duration: 56 minutes 10 seconds
Listed in: Education
Published: Nov. 7, 2010, 12:15 a.m.
Duration: 40 minutes 51 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 19 minutes 15 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 14 minutes 46 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 38 minutes 46 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 11 minutes 13 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 31 minutes 23 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 22 minutes 55 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 13 minutes 23 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 35 minutes 8 seconds
Listed in: Education
Published: Oct. 27, 2010, 11 a.m.
Duration: 51 minutes 26 seconds
Listed in: Education
Published: Oct. 15, 2010, 2:02 a.m.
Duration: 41 minutes
Listed in: Education
Published: Sept. 30, 2010, 11:03 p.m.
Duration: 54 minutes 25 seconds
Listed in: Education
Published: Sept. 30, 2010, 11:03 p.m.
Duration: 45 minutes 23 seconds
Listed in: Education
Published: Sept. 30, 2010, 11:03 p.m.
Duration: 50 minutes 30 seconds
Listed in: Education
Published: Sept. 30, 2010, 11:03 p.m.
Duration: 54 minutes 39 seconds
Listed in: Education
Published: Sept. 30, 2010, 11:03 p.m.
Duration: 49 minutes 24 seconds
Listed in: Education
Published: Sept. 30, 2010, 11:03 p.m.
Duration: 49 minutes 1 second
Listed in: Education
Published: Sept. 16, 2010, 10:10 p.m.
Duration: 42 minutes 25 seconds
Listed in: Education
Published: Sept. 9, 2010, 10:52 p.m.
Duration: 28 minutes 7 seconds
Listed in: Education
Published: Aug. 19, 2010, 10:48 p.m.
Duration: 29 minutes 54 seconds
Listed in: Education
Published: Aug. 17, 2010, 10:33 p.m.
Duration: 1 hour 12 minutes
Listed in: Education
Published: Aug. 5, 2010, 10:35 p.m.
Duration: 53 minutes 56 seconds
Listed in: Education
Published: Aug. 1, 2010, 11:20 p.m.
Duration: 38 minutes 11 seconds
Listed in: Education
Published: July 21, 2010, noon
Duration: 53 minutes 35 seconds
Listed in: Education
Published: July 14, 2010, 10:35 p.m.
Duration: 41 minutes 56 seconds
Listed in: Education
Published: June 25, 2010, 1:56 a.m.
Duration: 47 minutes 49 seconds
Listed in: Education
Published: June 18, 2010, 2:59 a.m.
Duration: 50 minutes 25 seconds
Listed in: Education
Published: June 10, 2010, 3:44 a.m.
Duration: 48 minutes 33 seconds
Listed in: Education
Published: June 3, 2010, 10:25 p.m.
Duration: 1 hour 1 minute 5 seconds
Listed in: Education
Published: May 27, 2010, 2:47 a.m.
Duration: 52 minutes 42 seconds
Listed in: Education
Published: May 17, 2010, 1:57 a.m.
Duration: 1 hour 16 minutes 55 seconds
Listed in: Education
Published: May 7, 2010, 3:58 a.m.
Duration: 41 minutes 39 seconds
Listed in: Education
Published: May 5, 2010, 2:46 a.m.
Duration: 58 minutes 53 seconds
Listed in: Education
Published: May 5, 2010, 12:26 a.m.
Duration: 57 minutes 29 seconds
Listed in: Education
Published: April 28, 2010, 10:51 p.m.
Duration: 49 minutes 29 seconds
Listed in: Education
Published: April 23, 2010, 1:42 a.m.
Duration: 41 minutes 25 seconds
Listed in: Education
Published: Feb. 22, 2010, 9:31 p.m.
Duration: 56 minutes 54 seconds
Listed in: Education
Published: Feb. 22, 2010, 9:28 p.m.
Duration: 1 hour 2 minutes 2 seconds
Listed in: Education
Published: Feb. 22, 2010, 9:25 p.m.
Duration: 54 minutes 38 seconds
Listed in: Education
Published: Feb. 22, 2010, 9:21 p.m.
Duration: 51 minutes
Listed in: Education
Published: Feb. 22, 2010, 9:18 p.m.
Duration: 54 minutes 8 seconds
Listed in: Education
Published: Feb. 22, 2010, 9:11 p.m.
Duration: 56 minutes 58 seconds
Listed in: Education
Published: Feb. 22, 2010, 9 p.m.
Duration: 40 minutes 13 seconds
Listed in: Education
Published: Feb. 22, 2010, 8:59 p.m.
Duration: 40 minutes 13 seconds
Listed in: Education
Published: Feb. 15, 2010, 8:38 p.m.
Duration: 40 minutes 28 seconds
Listed in: Education
Published: Feb. 15, 2010, 8:38 p.m.
Duration: 40 minutes 28 seconds
Listed in: Education
Published: Jan. 21, 2010, 9:28 p.m.
Duration: 40 minutes 59 seconds
Listed in: Education
Published: Jan. 13, 2010, 1:53 a.m.
Duration: 46 minutes 48 seconds
Listed in: Education
Published: Dec. 14, 2009, 10:05 p.m.
Duration: 52 minutes 54 seconds
Listed in: Education
Published: Dec. 2, 2009, 7:31 p.m.
Duration: 52 minutes 31 seconds
Listed in: Education
Published: Nov. 25, 2009, 2:17 a.m.
Duration: 18 minutes 45 seconds
Listed in: Education
Published: Nov. 25, 2009, 2:14 a.m.
Duration: 18 minutes 40 seconds
Listed in: Education
Published: Nov. 25, 2009, 2:10 a.m.
Duration: 17 minutes 48 seconds
Listed in: Education
Published: Nov. 25, 2009, 2:07 a.m.
Duration: 13 minutes 54 seconds
Listed in: Education
Published: Nov. 25, 2009, 2:05 a.m.
Duration: 19 minutes 20 seconds
Listed in: Education
Published: Nov. 25, 2009, 2:01 a.m.
Duration: 17 minutes 3 seconds
Listed in: Education
Published: Nov. 25, 2009, 1:58 a.m.
Duration: 12 minutes 7 seconds
Listed in: Education
Published: Nov. 25, 2009, 1:54 a.m.
Duration: 22 minutes 17 seconds
Listed in: Education
Published: Nov. 25, 2009, 1:52 a.m.
Duration: 13 minutes 22 seconds
Listed in: Education
Published: Nov. 25, 2009, 1:47 a.m.
Duration: 21 minutes 32 seconds
Listed in: Education
Published: Nov. 25, 2009, 1:45 a.m.
Duration: 5 minutes 21 seconds
Listed in: Education
Published: Nov. 19, 2009, 2:05 a.m.
Duration: 57 minutes 13 seconds
Listed in: Education
Published: Nov. 12, 2009, 12:30 a.m.
Duration: 52 minutes 42 seconds
Listed in: Education
Published: Nov. 8, 2009, 7:54 p.m.
Duration: 46 minutes 23 seconds
Listed in: Education
Published: Nov. 2, 2009, 12:42 a.m.
Duration: 16 minutes 55 seconds
Listed in: Education
Published: Nov. 2, 2009, 12:40 a.m.
Duration: 39 minutes 28 seconds
Listed in: Education
Published: Oct. 8, 2009, 11 a.m.
Duration: 30 minutes
Listed in: Education
Published: Sept. 19, 2009, 1:30 a.m.
Duration: 44 minutes 28 seconds
Listed in: Education
Published: Aug. 17, 2009, 3:23 a.m.
Duration: 50 minutes 38 seconds
Listed in: Education
Published: July 6, 2009, 11:15 p.m.
Duration: 53 minutes 9 seconds
Listed in: Education
Published: June 29, 2009, 10:43 p.m.
Duration: 51 minutes 8 seconds
Listed in: Education
Published: June 24, 2009, 4:13 a.m.
Duration: 52 minutes 46 seconds
Listed in: Education
Published: May 27, 2009, 10:07 p.m.
Duration: 49 minutes 42 seconds
Listed in: Education
Published: March 30, 2009, 3:14 a.m.
Duration: 17 minutes 39 seconds
Listed in: Education
Published: Oct. 15, 2008, 11 a.m.
Duration: 57 minutes 11 seconds
Listed in: Education
Published: Aug. 20, 2008, noon
Duration: 1 hour
Listed in: Education
Published: Aug. 5, 2008, noon
Duration: 1 hour 10 minutes 26 seconds
Listed in: Education
Published: Aug. 5, 2008, noon
Duration: 1 hour 21 seconds
Listed in: Education
Published: May 15, 2008, 6 a.m.
Duration: 1 hour 21 minutes 28 seconds
Listed in: Education
Published: March 11, 2008, 11 a.m.
Duration: 44 minutes 28 seconds
Listed in: Education
Published: Nov. 20, 2007, 11 a.m.
Duration: 53 minutes 14 seconds
Listed in: Education
Published: Nov. 6, 2007, 11 a.m.
Duration: 52 minutes 30 seconds
Listed in: Education
Published: Oct. 24, 2007, 4 a.m.
Duration: 59 minutes 17 seconds
Listed in: Education
Published: Oct. 4, 2007, 4 a.m.
Duration: 1 hour 12 minutes 43 seconds
Listed in: Education
Published: Sept. 27, 2007, 5 a.m.
Duration: 53 minutes 23 seconds
Listed in: Education
Published: Sept. 12, 2007, 5 a.m.
Duration: 46 minutes 55 seconds
Listed in: Education
Published: Sept. 12, 2007, 5 a.m.
Duration: 46 minutes 55 seconds
Listed in: Education
Published: Sept. 6, 2007, 5:30 a.m.
Duration: 1 hour 49 seconds
Listed in: Education
Published: Aug. 23, 2007, 5 a.m.
Duration: 54 minutes 10 seconds
Listed in: Education