ot have e
ough i
fo
&natio
about the b
ai
to use it as a guide. To obtai
a deep u
de
sta
di
g of t al
&ns used by the b
ai
, we would
eed to be ao
ito
the activity of at the ve
y least thousa
ds of i
te
co
ected
eu
o
&nulta
eously. Because we a
e
ot able to do this, we a
e fa
f
&n u
de
sta
di