Why is this called the "Brazil Nut Effect?" This is just normal buoyancy, science teachers have been doing demonstrations like this for years. You can do the same thing if you put a golf ball in the bottom of a container full of shredded bark and shake it.

How about making your employees happy so that they don't want to screw you when the are let go.

Really? You know every episode of every season of every series is streaming on Netflix.

'If you can't look at something you can't attack it.' ...Famous last words.

If it's like any other British technology commodities, it costs more than it's worth. After the promotional pricing ended I pay $70 a month for 40x5Mb/s. ISPs charge WAY to much for their services.

ADIS is not a virus, it is an immune disease caused by HIV which is a retrovirus, not a type mentioned in the study.

Could you use an imaging sensor chip to detect radiation? something like this video, only more refined. http://www.youtube.com/watch?v=jFNvYA7731o