Yeast

Properties
Section	Powders
Spawn temperature	22°C
Heat Conductivity	28%
Relative weight	80
Gravity	0.1
Acid dissolve rate	3%
Flammability	15
State	Powder
Transitions
High temperature	above 99.85°C
Source code

Yeast grows when warm (between 29.85°C and 43.85°C). It turns into DYST when exposed to NEUT or DYST or heated a lot (above 99.85°C+). Then, the DYST turns to DUST at about 220°C.