Shark Rober | Mark Rober is putting his own blood on the line to test whether sharks truly have a taste for it. Watch Shark Rober now on Discovery GO 👉...
![Ex-NASA engineer's bizarre 'Human Blood vs Fish Blood' experiment on sharks goes viral | What's Viral Ex-NASA engineer's bizarre 'Human Blood vs Fish Blood' experiment on sharks goes viral | What's Viral](https://img.republicworld.com/republic-prod/stories/promolarge/xhdpi/ftv2ukrhagfih3qn_1597279817.jpeg?tr=w-1200,h-900)
Ex-NASA engineer's bizarre 'Human Blood vs Fish Blood' experiment on sharks goes viral | What's Viral
Shark Week': Former NASA engineer, BYU graduate tests if sharks can smell blood in the water - Deseret News
![Gruesome experiment pumps human and fish blood into the ocean to see which sharks prefer to feast on | Daily Mail Online Gruesome experiment pumps human and fish blood into the ocean to see which sharks prefer to feast on | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/08/11/22/31837476-8617089-image-a-21_1597181327441.jpg)