Again there is copyrighted material in the library:
http://www.lingq.com/learn/en/store/search/?search=&category=&type=&level=&accent=&provider=924&sort=date
For all new LingQ members: Don’t upload copyrighted material. All materials from scientificamerican are copyrighted!
http://www.scientificamerican.com/podcast/podcasts.cfm?type=60-second-mind
For that reason they are listed in the import section for private use only.
If you find material under a common creative licence make sure that
- it isn’t published in the LingQ library from another user and
- it isn’t a non-commercial licence.
Always the best way is to ask the content owner for permission.