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It is
knowledge that we have five senses. Some
believe they have six senses. They say their sixth sense is the
to know something without using the ordinary five senses of sight, hearing, smell,
and taste. Scientists have just discovered that some dolphins have seven senses. Researchers in Germany say bottlenose dolphins can sense
produced by their
. The dolphins can detect the electric
produced by the heart beats of other sea
. This could help dolphins to find their next meal. Dolphins also use their excellent
and sonar to sense what is around them. This seventh sense may also help them to navigate using Earth's
field.
