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Sea snail teeth may be the key to super-light race cars
It's increasingly common to find supercars, laptops and other gadgets clad in strong-yet-light carbon fiber, but scientists may have a better (if decidedly stranger) solution: sea snail teeth. The University of Portsmouth has determined that a fibrous mineral structure found in limpet teeth is so strong that it could be used for the shells of race cars and many other devices where a strength-to-weight ratio is important. It's even stronger than spider silk, the previous natural strength champion, and the tooth's structure doesn't become more fragile as it gets larger.
Give the Sudoku grid a new look
The Nintendo DS is rife with Sudoku releases, both commercial and unofficial. Dress them up with mini-cakes or martial arts if you want to, but it's getting harder and harder for these games to keep us interested with each passing week.Leave it to homebrew superstar Mollusk to add some life to the number puzzle. As its name implies, Skinz Sudoku allows you to customize almost every visual detail of its interface. Dropping a PNG template into the game's included PAFS.bat file spits out a unique Skinz Sudoku ROM with your graphics. Jump past the post break for some examples of the different themes.Think of the possibilities! Design your screens with lightning bolts! Replace all of the numbers with Pokémon heads! Scan in a photo of your secret crush with a word balloon that says, "I luv u! Plz date me!" Just don't let anyone catch you locking lips with your DS after staring into his or her eyes for too long. Seriously guys, that's weird.
