Yeah, it is true - the sharpest thing we have discovered is actually ancient tech - until we discover how to make a nanotube blade, I think we have the best we can use in obsidian. Sort of cool. Copper is also making a comeback in the operation theater as it has natural antimicrobial properties...

Nah - he will perform with Elvis:
http://blog.memphisdailynews.com/?p=5421

Now that is one cool spider. I have a garden and they would be welcome!