Switched Keys

The local Mensa chapter graciously sends me the email version of their newsletter and I scan through it every month. Along with local and regional news one of the things that fills the local Mensa newsletter is stock market speculation. Another thing th more »

Does a tree falling in the forest make a noise if nobody is listening? I've been told scientists believe it doesn't. I suppose that depends on how you define noise. If a noise is something that is heard and nobody hears it's not a noise. more »