At 11:48 AM 8/10/01 +0200, Eugene Leitl wrote:

Anhydrous hydrazine is toxic (and carcinogenic), and difficult to get.

If

you want to assist evolution, point people towards something which can be easily bought, made, and something so sensitive no sensible person would use.

You could tell them to make a pound of NI3 but iodine is now a watched substance. Maybe a fuel-air (chechen special) with propane or acetylene?