BTN-Shark Science

This BTN clip was about ways that research as proven to repel sharks but reminds us that the chances of getting attacked by a shark are extremely low.

Researchers at the University of Western Australia are studying the senses of some port jackson sharks like sight, hearing and even detection of really weak electric fields! Why can sharks only detect really weak electric fields?

They found that sharks only see in black and white and are most sensitive to low sounds like passing schools of fish (their favourite food)! They also found that some sharks react differently to the electric fields like port jackson sharks who actually like them unlike bamboo sharks who can’t breath when you add electricity to their egg! Are these the only ways to repel sharks?

There isn’t a definite shark repellent yet so for now don’t let the thought ruin your beach fun! 

Key:

Blue-Facts(3)

Green-Questions(2)

Red-Understandings/Insights(1)

Here is the link to the BTN clip-http://www.abc.net.au/btn/story/s3502477.htm

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