Will We Ever Run Out of Di**saurs?

[ahlam1399]

http://i.ytimg.com/vi/Cnb7LdKablY/default.jpg (http://www.youtube.com/watch?v=Cnb7LdKablY&feature=youtube_gdata)
Will We Ever Run Out of Di**saurs? (http://www.youtube.com/watch?v=Cnb7LdKablY&feature=youtube_gdata)

Some paleontologists wonder how many species of di**saurs are left for us to discover, and how many fossils of them are out there. Find out how long the experts think the world's supply of...
From:SciShow (http://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow)
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Time:04:03More inEducation (http://www.youtube.com/videos?c=27)


أكثر... (http://www.youtube.com/watch?v=Cnb7LdKablY&feature=youtube_gdata)