First Spidey Sense now Spidey heartbeat

The Edingburgh University has been playing with spiders, specifically in MRI machines in an attempt to find out what makes them tick…literally.

“In the videos you can see the blood flowing through the heart and tantalizingly it looks as though there might be ‘double beating’ occurring; a distinct type of contraction which has never been considered before,” said Gavin Merrifield.

via Tarantula MRI Reveals Strange Double Heartbeat | Wired Science | Wired.com.

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