A biochemist has an interesting theory as to why Apple's iPhone 4's antenna issues passed Apple's quality control: the testers had clean hands whenever they handled an iPhone 4. Damp, dirty hands will short out the antenna's signal, causing the issues. Anybody want to test this claim?
http://wired.com/epicenter/2010/07/apples-clean-hands-may-have-dirtied-iphone-4-signal/2/
http://wired.com/epicenter/2010/07/apples-clean-hands-may-have-dirtied-iphone-4-signal/2/