[Calvin Locke]

Did you know that termites can produce naphthalene? They use it to protect their nests from other bugs.

Naphthalene, in concentration, can be fatal to humans, just like CO2.

It's always something.

[a fool in paradise]

>>Did you know that termites can produce naphthalene? They use it to protect their nests from other bugs. Naphthalene, in concentration, can be fatal to humans, just like CO2.

You mean they protect their territory by creating barriers?