Can a Shark Smell a Drop of Blood Miles Away?

We have all been scared to death by Hollywood film, Jaws and other films shows where someone will be in the ocean and suddenly they get attacked by a shark because there’s a drop of blood.



Is this a myth or truth?

Mark Rober decided  to put himself in the middle of the ocean in the Bahamas where there were sharks galore to put it to the test.

As a first test, four surfboards were set up  and placed fish oil, cow’s blood, seawater, and urine on top of them to see what would happen.




While the cow’s blood didn’t attract much to begin with, there were more than 40 by the end of the study. Nothing really happened with any of the other items.

Next it was on to human blood and several surfboards were set up.

Interestingly, researchers found that no sharks were attracted to any of the surfboards.


I think it’s safe to qualitatively say that if no sharks came to check out 15 drops of human blood a minute in the middle of shark-infested waters, you’re probably going to be okay with a small scrape,” Rober revealed.

There certainly won’t be some kind of feeding frenzy with a single drop of blood from all sharks within a mile.”


So the myth seems to be busted! 


However, don’t fool yourself. Sharks can still be very dangerous as these fishermen found out..



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