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Scientists in Australia have made an
discovery about honey bees. The
found out why a bee's stinger puts
into a person's skin after it comes off the bee's
. The scientists used high-speed
to film the stinger. The video showed that the stinger works like a
. It has two small parts that move
and forwards. These parts help keep the venom flowing into the skin. A researcher said the pump's
was "unique". She hopes her
will be useful. Companies might make pumps that could give
to people.
