Image of fruit fly epithelial cells (pseudo colored in this micrograph)
Epithelial Cell Signaling Helps Maintain Tissue Integrity
Using a transgenic fruit fly model, researchers demonstrate how epithelial barriers are maintained in living organisms despite high levels of cell turnover and death.
ABOVE: Romain Levayer
Epithelial Cell Signaling Helps Maintain Tissue Integrity
Epithelial Cell Signaling Helps Maintain Tissue Integrity

Using a transgenic fruit fly model, researchers demonstrate how epithelial barriers are maintained in living organisms despite high levels of cell turnover and death.

Using a transgenic fruit fly model, researchers demonstrate how epithelial barriers are maintained in living organisms despite high levels of cell turnover and death.

ABOVE: Romain Levayer
healing
Nari's Shark Bite
Jef Akst | Dec 1, 2011
In February 2009, a bottlenose dolphin named Nari swam up to the Tangalooma Wild Dolphin Resort on Moreton Island off Australia’s Queensland. 
Cetacean Cures
Jef Akst | Dec 1, 2011
Dolphins heal amazingly quickly from shark bites, with no swelling, infection, and seemingly little pain, but how do they do it?