http://www.artificialrocksfactory.com/ Your one-stop shop for artificial rocks!

http://en.wikipedia.org/wiki/The_Ashley_Book_of_Knots The book on knots.

http://en.wikipedia.org/wiki/Banana_equivalent_dose Measuring radiation compared to the amount found in a banana.

http://en.wikipedia.org/wiki/%C2%BA There's a difference between the ordinal indicator and the degree symbol.

http://html5zombo.com/ Zombocom has been reproduced with HTML 5 technologies.

http://bigstormpicture.blogspot.com/2010/04/chase.html This is a picture of a thunderstorm off a Nebraska gravel road. The blog is full of pictures of thunderstorms taken by a Midwestern storm chaser.

http://en.wikipedia.org/wiki/Wobbly_hedgehog_syndrome There is no known cure for Wobbly hedgehog syndrome.

http://en.wikipedia.org/wiki/Activities_of_the_Holy_See_within_the_United_Nations_system#Multilateral_treaties A list of the treaties the Vatican has accepted.

http://en.wikipedia.org/wiki/Elsa_Einstein Einstein married his cousin.

http://www.youtube.com/watch?v=E1HQirEE0d0 A disco cover of The Girl From Ipanema.