Radioactive nests of Hanford wasps are science fact: tri-cityherald.com

[Ivan Seeking]

The company is tearing down the long-abandoned Cold War plutonium-production reactor's contaminated buildings prior to sealing up the main core chamber. Workers found a slightly radioactive mud dauber's nest in a nook in a wall on the south side of the complex, said Bechtel spokesman Todd Nelson

http://www.tri-cityherald.com/tch/local/story/3675405p-3705913c.html