Friday lists

Top 10 science pop songs (via Neat New Stuff on the Net)

5 Facebook search tips

7 free online virus scan websites

8 holidays that every green geek should celebrate

25 must-try iPhone web apps

20 things that sound dirty on Halloween

10 more bizarre medical tales

10 more of the world's most bizarre competitions

5 ways to overcome gym shyness

10 most dangerous jobs in america and what they pay (via Presurfer)

15 best organic cooking blogs to bookmark (Thanks Jena!)

10 great reasons to grow plants in your dorm or office (Thanks Anna!)

15 inspiring breast cancer survivor blogs (Thanks Jennifer!)

25 more interesting Halloween costume ideas