1. Rhymer.com - Free Online Rhyming Dictionary
For all your rhyming needs, Rhymer finds beginning rhymes, first syllable rhymes, last syllable rhymes, end rhymes, and double rhymes for any word. Next time you are writing a poem and need a good rhyme, this is the place to go. (Thanks to Pedro R. for suggesting this one.)
2. Tracking the Oil Spill in the Gulf - New York Times Animated Interactive Map
This map shows how the spill has grew and moved between April 22nd and August 2nd 2010. You can also see where the oil made landfall, efforts to stop the leak, effects on wildlife and more.