Table 1.

Results of ANOVA for mRNA levels in the brains of young vs. old bees

Laboratory colonies			Field colony
Effect	F value	P	Source	F value	P
Colony	103.23	0.0001	Age	29.53	0.0006
Age	407.8	0.0001	Time	4.20	0.0309
LD/DD	2.31	0.1661
Time	26.97	0.0001

Data in Figs. 3 and 4. n = 19 and 9 time points per colony, for laboratory and field colonies, respectively.