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The researchers conducted a
on two dolphins. Experiments tested what
of electricity the dolphins could detect. They sensed two kinds - direct
and alternating current. They were better at sensing
current. All sea
produce direct current
. Being able to detect this means dolphins can sense how
other fish are to them. Dolphins could use this to hunt, even if they cannot see or hear
, or if they cannot use their other
. The study has been published in a biology
.
