When Scientists Were Examining A Leg Bone, They Made A Game-changing Discovery About Human Anatomy

Image: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY/Getty Images

The scientific community regularly makes breakthroughs and discoveries, though it’s relatively rare that new revelations emerge regarding the human body. So, when German professor Matthias Gunzer from the University of Duisburg-Essen and his colleagues noted something entirely unfamiliar inside a leg bone, they were as surprised as anyone else.

Image: Adam Gault/Getty Images

The momentous discovery was made, ultimately, because of an observation that Gunzer had noted in 2011. At that time, his team had dyed white blood cells green and red in order to follow the path of their fluorescence through the leg of a mouse. And following this through a microsope, they spotted something odd. Gunzer consulted pre-existing scientific works to see if they could shed light on what they’d seen, but nothing referred to it.

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