Cutting Hormone Could Trip Jetlag

Posted by chengy***, views: 14623,
    podcast.sciam.com , level=19, 0:30 , on 2013/10/16

Dr Bean introduces CALL course

Posted by drbean***, views: 15238,
    www.youtube.com , level=8, 9:53 , on 2013/10/10

US Government Shutdown: Week One

Posted by slitap***, views: 3305,
    realaudio.rferl.org , on 2013/10/09

Japan's biggest challenge: its aging population

Posted by jefu32***, views: 4896,
    www.youtube.com , on 2013/10/04

Retirement Contract

Posted by vniced***, views: 12407,
    www.listen-and-write.com , level=15, 0:22 , on 2013/10/01

Membership

Posted by vniced***, views: 12316,
    www.listen-and-write.com , level=14, 0:28 , on 2013/10/01

business conveesation

Posted by wirasz***, views: 13005,
    www.listen-and-write.com , level=14, 0:46 , on 2013/09/30

cvcv

Posted by 105163***, views: 13746,
    www.youtube.com , level=17, 4:34 , on 2013/09/23

How to set the table - Anna Post

Posted by 105163***, views: 16419,
    www.youtube.com , level=18, 2:57 , on 2013/09/22

Questions no one knows the answers to - Chris Anderson

Posted by 105163***, views: 14578,
    www.youtube.com , level=12, 1:39 , on 2013/09/20